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Finding the Fourth Proportional to 356,302.52, 534,502.94 and 119,712.84

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Solution

The fourth proportional to 356,302.52, 534,502.94 and 119,712.84 is: 179,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,302.52 : 534,502.94 = 119,712.84 : x
  2. Step 2: Convert to fraction form
    356,302.52/534,502.94 = 119,712.84/x
  3. Step 3: Cross multiply
    356,302.52x = 534,502.94 × 119,712.84
  4. Step 4: Simplify right side
    356,302.52x = 63,986,864,935.75
  5. Step 5: Solve for x
    x = 63,986,864,935.75/356,302.52
  6. Step 6: Final answer
    x = 179,585.78

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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.