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Finding the Fourth Proportional to 356,281.47, 534,499.97 and 119,617.90

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Solution

The fourth proportional to 356,281.47, 534,499.97 and 119,617.90 is: 179,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,281.47 : 534,499.97 = 119,617.90 : x
  2. Step 2: Convert to fraction form
    356,281.47/534,499.97 = 119,617.90/x
  3. Step 3: Cross multiply
    356,281.47x = 534,499.97 × 119,617.90
  4. Step 4: Simplify right side
    356,281.47x = 63,935,762,027.12
  5. Step 5: Solve for x
    x = 63,935,762,027.12/356,281.47
  6. Step 6: Final answer
    x = 179,452.95

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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.