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Finding the Fourth Proportional to 482,699.90, 724,026.32 and 179,153.15

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Solution

The fourth proportional to 482,699.90, 724,026.32 and 179,153.15 is: 268,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,699.90 : 724,026.32 = 179,153.15 : x
  2. Step 2: Convert to fraction form
    482,699.90/724,026.32 = 179,153.15/x
  3. Step 3: Cross multiply
    482,699.90x = 724,026.32 × 179,153.15
  4. Step 4: Simplify right side
    482,699.90x = 129,711,592,738.66
  5. Step 5: Solve for x
    x = 129,711,592,738.66/482,699.90
  6. Step 6: Final answer
    x = 268,720.98

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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.