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Finding the Fourth Proportional to 616,332.60, 850,537.17 and 344,400.76

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Solution

The fourth proportional to 616,332.60, 850,537.17 and 344,400.76 is: 475,272.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,332.60 : 850,537.17 = 344,400.76 : x
  2. Step 2: Convert to fraction form
    616,332.60/850,537.17 = 344,400.76/x
  3. Step 3: Cross multiply
    616,332.60x = 850,537.17 × 344,400.76
  4. Step 4: Simplify right side
    616,332.60x = 292,925,647,756.25
  5. Step 5: Solve for x
    x = 292,925,647,756.25/616,332.60
  6. Step 6: Final answer
    x = 475,272.03

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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.