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Finding the Fourth Proportional to 483,302.20, 724,953.30 and 459,974.20

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Solution

The fourth proportional to 483,302.20, 724,953.30 and 459,974.20 is: 689,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,302.20 : 724,953.30 = 459,974.20 : x
  2. Step 2: Convert to fraction form
    483,302.20/724,953.30 = 459,974.20/x
  3. Step 3: Cross multiply
    483,302.20x = 724,953.30 × 459,974.20
  4. Step 4: Simplify right side
    483,302.20x = 333,459,814,204.86
  5. Step 5: Solve for x
    x = 333,459,814,204.86/483,302.20
  6. Step 6: Final answer
    x = 689,961.30

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.