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Finding the Fourth Proportional to 482,763.74, 724,209.15 and 179,116.54

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Solution

The fourth proportional to 482,763.74, 724,209.15 and 179,116.54 is: 268,698.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,763.74 : 724,209.15 = 179,116.54 : x
  2. Step 2: Convert to fraction form
    482,763.74/724,209.15 = 179,116.54/x
  3. Step 3: Cross multiply
    482,763.74x = 724,209.15 × 179,116.54
  4. Step 4: Simplify right side
    482,763.74x = 129,717,837,184.34
  5. Step 5: Solve for x
    x = 129,717,837,184.34/482,763.74
  6. Step 6: Final answer
    x = 268,698.38

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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.