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Finding the Fourth Proportional to 482,803.20, 724,269.60 and 167,356.80

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Solution

The fourth proportional to 482,803.20, 724,269.60 and 167,356.80 is: 251,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,803.20 : 724,269.60 = 167,356.80 : x
  2. Step 2: Convert to fraction form
    482,803.20/724,269.60 = 167,356.80/x
  3. Step 3: Cross multiply
    482,803.20x = 724,269.60 × 167,356.80
  4. Step 4: Simplify right side
    482,803.20x = 121,211,442,593.28
  5. Step 5: Solve for x
    x = 121,211,442,593.28/482,803.20
  6. Step 6: Final answer
    x = 251,057.66

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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.