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Finding the Fourth Proportional to 417,195.20, 625,841.40 and 151,081.04

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Solution

The fourth proportional to 417,195.20, 625,841.40 and 151,081.04 is: 226,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,195.20 : 625,841.40 = 151,081.04 : x
  2. Step 2: Convert to fraction form
    417,195.20/625,841.40 = 151,081.04/x
  3. Step 3: Cross multiply
    417,195.20x = 625,841.40 × 151,081.04
  4. Step 4: Simplify right side
    417,195.20x = 94,552,769,587.06
  5. Step 5: Solve for x
    x = 94,552,769,587.06/417,195.20
  6. Step 6: Final answer
    x = 226,639.16

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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.