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Finding the Fourth Proportional to 534,428.28, 801,684.54 and 179,440.92

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Solution

The fourth proportional to 534,428.28, 801,684.54 and 179,440.92 is: 269,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,428.28 : 801,684.54 = 179,440.92 : x
  2. Step 2: Convert to fraction form
    534,428.28/801,684.54 = 179,440.92/x
  3. Step 3: Cross multiply
    534,428.28x = 801,684.54 × 179,440.92
  4. Step 4: Simplify right side
    534,428.28x = 143,855,011,407.38
  5. Step 5: Solve for x
    x = 143,855,011,407.38/534,428.28
  6. Step 6: Final answer
    x = 269,175.52

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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.