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Finding the Fourth Proportional to 482,876.64, 724,071.96 and 167,248.80

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Solution

The fourth proportional to 482,876.64, 724,071.96 and 167,248.80 is: 250,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,876.64 : 724,071.96 = 167,248.80 : x
  2. Step 2: Convert to fraction form
    482,876.64/724,071.96 = 167,248.80/x
  3. Step 3: Cross multiply
    482,876.64x = 724,071.96 × 167,248.80
  4. Step 4: Simplify right side
    482,876.64x = 121,100,166,423.65
  5. Step 5: Solve for x
    x = 121,100,166,423.65/482,876.64
  6. Step 6: Final answer
    x = 250,789.03

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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.