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Finding the Fourth Proportional to 534,404.69, 801,645.92 and 179,415.71

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Solution

The fourth proportional to 534,404.69, 801,645.92 and 179,415.71 is: 269,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,404.69 : 801,645.92 = 179,415.71 : x
  2. Step 2: Convert to fraction form
    534,404.69/801,645.92 = 179,415.71/x
  3. Step 3: Cross multiply
    534,404.69x = 801,645.92 × 179,415.71
  4. Step 4: Simplify right side
    534,404.69x = 143,827,871,905.40
  5. Step 5: Solve for x
    x = 143,827,871,905.40/534,404.69
  6. Step 6: Final answer
    x = 269,136.62

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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.