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Finding the Fourth Proportional to 483,330.20, 724,995.30 and 483,330.20

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Solution

The fourth proportional to 483,330.20, 724,995.30 and 483,330.20 is: 724,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,330.20 : 724,995.30 = 483,330.20 : x
  2. Step 2: Convert to fraction form
    483,330.20/724,995.30 = 483,330.20/x
  3. Step 3: Cross multiply
    483,330.20x = 724,995.30 × 483,330.20
  4. Step 4: Simplify right side
    483,330.20x = 350,412,123,348.06
  5. Step 5: Solve for x
    x = 350,412,123,348.06/483,330.20
  6. Step 6: Final answer
    x = 724,995.30

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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.