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Finding the Fourth Proportional to 498,655.28, 747,998.04 and 195,037.32

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Solution

The fourth proportional to 498,655.28, 747,998.04 and 195,037.32 is: 292,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,655.28 : 747,998.04 = 195,037.32 : x
  2. Step 2: Convert to fraction form
    498,655.28/747,998.04 = 195,037.32/x
  3. Step 3: Cross multiply
    498,655.28x = 747,998.04 × 195,037.32
  4. Step 4: Simplify right side
    498,655.28x = 145,887,533,086.85
  5. Step 5: Solve for x
    x = 145,887,533,086.85/498,655.28
  6. Step 6: Final answer
    x = 292,561.89

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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.