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Finding the Fourth Proportional to 655,500.68, 904,528.34 and 483,512.20

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Solution

The fourth proportional to 655,500.68, 904,528.34 and 483,512.20 is: 667,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,500.68 : 904,528.34 = 483,512.20 : x
  2. Step 2: Convert to fraction form
    655,500.68/904,528.34 = 483,512.20/x
  3. Step 3: Cross multiply
    655,500.68x = 904,528.34 × 483,512.20
  4. Step 4: Simplify right side
    655,500.68x = 437,350,487,635.75
  5. Step 5: Solve for x
    x = 437,350,487,635.75/655,500.68
  6. Step 6: Final answer
    x = 667,200.66

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.