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Finding the Fourth Proportional to 356,403.85, 534,561.17 and 116,497.68

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Solution

The fourth proportional to 356,403.85, 534,561.17 and 116,497.68 is: 174,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,403.85 : 534,561.17 = 116,497.68 : x
  2. Step 2: Convert to fraction form
    356,403.85/534,561.17 = 116,497.68/x
  3. Step 3: Cross multiply
    356,403.85x = 534,561.17 × 116,497.68
  4. Step 4: Simplify right side
    356,403.85x = 62,275,134,538.30
  5. Step 5: Solve for x
    x = 62,275,134,538.30/356,403.85
  6. Step 6: Final answer
    x = 174,731.94

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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.