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Finding the Fourth Proportional to 356,302.92, 534,513.24 and 169,251.24

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Solution

The fourth proportional to 356,302.92, 534,513.24 and 169,251.24 is: 253,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,302.92 : 534,513.24 = 169,251.24 : x
  2. Step 2: Convert to fraction form
    356,302.92/534,513.24 = 169,251.24/x
  3. Step 3: Cross multiply
    356,302.92x = 534,513.24 × 169,251.24
  4. Step 4: Simplify right side
    356,302.92x = 90,467,028,666.42
  5. Step 5: Solve for x
    x = 90,467,028,666.42/356,302.92
  6. Step 6: Final answer
    x = 253,904.82

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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.