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Finding the Fourth Proportional to 616,265.48, 850,430.48 and 344,335.61

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Solution

The fourth proportional to 616,265.48, 850,430.48 and 344,335.61 is: 475,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,265.48 : 850,430.48 = 344,335.61 : x
  2. Step 2: Convert to fraction form
    616,265.48/850,430.48 = 344,335.61/x
  3. Step 3: Cross multiply
    616,265.48x = 850,430.48 × 344,335.61
  4. Step 4: Simplify right side
    616,265.48x = 292,833,498,497.79
  5. Step 5: Solve for x
    x = 292,833,498,497.79/616,265.48
  6. Step 6: Final answer
    x = 475,174.27

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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.