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Finding the Fourth Proportional to 482,832.80, 724,346.40 and 167,224.40

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Solution

The fourth proportional to 482,832.80, 724,346.40 and 167,224.40 is: 250,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,832.80 : 724,346.40 = 167,224.40 : x
  2. Step 2: Convert to fraction form
    482,832.80/724,346.40 = 167,224.40/x
  3. Step 3: Cross multiply
    482,832.80x = 724,346.40 × 167,224.40
  4. Step 4: Simplify right side
    482,832.80x = 121,128,392,132.16
  5. Step 5: Solve for x
    x = 121,128,392,132.16/482,832.80
  6. Step 6: Final answer
    x = 250,870.26

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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.