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Finding the Fourth Proportional to 532,960.72, 735,560.80 and 339,306.56

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Solution

The fourth proportional to 532,960.72, 735,560.80 and 339,306.56 is: 468,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,960.72 : 735,560.80 = 339,306.56 : x
  2. Step 2: Convert to fraction form
    532,960.72/735,560.80 = 339,306.56/x
  3. Step 3: Cross multiply
    532,960.72x = 735,560.80 × 339,306.56
  4. Step 4: Simplify right side
    532,960.72x = 249,580,604,718.85
  5. Step 5: Solve for x
    x = 249,580,604,718.85/532,960.72
  6. Step 6: Final answer
    x = 468,290.81

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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.