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Finding the Fourth Proportional to 655,499.68, 904,526.96 and 483,511.20

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Solution

The fourth proportional to 655,499.68, 904,526.96 and 483,511.20 is: 667,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,499.68 : 904,526.96 = 483,511.20 : x
  2. Step 2: Convert to fraction form
    655,499.68/904,526.96 = 483,511.20/x
  3. Step 3: Cross multiply
    655,499.68x = 904,526.96 × 483,511.20
  4. Step 4: Simplify right side
    655,499.68x = 437,348,915,861.95
  5. Step 5: Solve for x
    x = 437,348,915,861.95/655,499.68
  6. Step 6: Final answer
    x = 667,199.28

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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.