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Finding the Fourth Proportional to 616,219.82, 850,298.82 and 344,253.92

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Solution

The fourth proportional to 616,219.82, 850,298.82 and 344,253.92 is: 475,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,219.82 : 850,298.82 = 344,253.92 : x
  2. Step 2: Convert to fraction form
    616,219.82/850,298.82 = 344,253.92/x
  3. Step 3: Cross multiply
    616,219.82x = 850,298.82 × 344,253.92
  4. Step 4: Simplify right side
    616,219.82x = 292,718,696,413.93
  5. Step 5: Solve for x
    x = 292,718,696,413.93/616,219.82
  6. Step 6: Final answer
    x = 475,023.18

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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.