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Finding the Fourth Proportional to 587,250.71, 810,462.81 and 329,171.45

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Solution

The fourth proportional to 587,250.71, 810,462.81 and 329,171.45 is: 454,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,250.71 : 810,462.81 = 329,171.45 : x
  2. Step 2: Convert to fraction form
    587,250.71/810,462.81 = 329,171.45/x
  3. Step 3: Cross multiply
    587,250.71x = 810,462.81 × 329,171.45
  4. Step 4: Simplify right side
    587,250.71x = 266,781,215,520.85
  5. Step 5: Solve for x
    x = 266,781,215,520.85/587,250.71
  6. Step 6: Final answer
    x = 454,288.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.