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Finding the Fourth Proportional to 585,620.29, 878,352.67 and 164,928.97

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Solution

The fourth proportional to 585,620.29, 878,352.67 and 164,928.97 is: 247,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,620.29 : 878,352.67 = 164,928.97 : x
  2. Step 2: Convert to fraction form
    585,620.29/878,352.67 = 164,928.97/x
  3. Step 3: Cross multiply
    585,620.29x = 878,352.67 × 164,928.97
  4. Step 4: Simplify right side
    585,620.29x = 144,865,801,159.85
  5. Step 5: Solve for x
    x = 144,865,801,159.85/585,620.29
  6. Step 6: Final answer
    x = 247,371.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.