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Finding the Fourth Proportional to 616,339.04, 850,543.71 and 344,407.61

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Solution

The fourth proportional to 616,339.04, 850,543.71 and 344,407.61 is: 475,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,339.04 : 850,543.71 = 344,407.61 : x
  2. Step 2: Convert to fraction form
    616,339.04/850,543.71 = 344,407.61/x
  3. Step 3: Cross multiply
    616,339.04x = 850,543.71 × 344,407.61
  4. Step 4: Simplify right side
    616,339.04x = 292,933,722,108.92
  5. Step 5: Solve for x
    x = 292,933,722,108.92/616,339.04
  6. Step 6: Final answer
    x = 475,280.17

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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.