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Finding the Fourth Proportional to 500,358.26, 750,352.87 and 216,061.93

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Solution

The fourth proportional to 500,358.26, 750,352.87 and 216,061.93 is: 324,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,358.26 : 750,352.87 = 216,061.93 : x
  2. Step 2: Convert to fraction form
    500,358.26/750,352.87 = 216,061.93/x
  3. Step 3: Cross multiply
    500,358.26x = 750,352.87 × 216,061.93
  4. Step 4: Simplify right side
    500,358.26x = 162,122,689,265.91
  5. Step 5: Solve for x
    x = 162,122,689,265.91/500,358.26
  6. Step 6: Final answer
    x = 324,013.21

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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.