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Finding the Fourth Proportional to 483,108.30, 724,662.45 and 341,390.70

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Solution

The fourth proportional to 483,108.30, 724,662.45 and 341,390.70 is: 512,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,108.30 : 724,662.45 = 341,390.70 : x
  2. Step 2: Convert to fraction form
    483,108.30/724,662.45 = 341,390.70/x
  3. Step 3: Cross multiply
    483,108.30x = 724,662.45 × 341,390.70
  4. Step 4: Simplify right side
    483,108.30x = 247,393,021,069.22
  5. Step 5: Solve for x
    x = 247,393,021,069.22/483,108.30
  6. Step 6: Final answer
    x = 512,086.05

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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.