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Finding the Fourth Proportional to 371,746.71, 513,054.24 and 220,843.71

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Solution

The fourth proportional to 371,746.71, 513,054.24 and 220,843.71 is: 304,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,746.71 : 513,054.24 = 220,843.71 : x
  2. Step 2: Convert to fraction form
    371,746.71/513,054.24 = 220,843.71/x
  3. Step 3: Cross multiply
    371,746.71x = 513,054.24 × 220,843.71
  4. Step 4: Simplify right side
    371,746.71x = 113,304,801,792.83
  5. Step 5: Solve for x
    x = 113,304,801,792.83/371,746.71
  6. Step 6: Final answer
    x = 304,790.33

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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.