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Finding the Fourth Proportional to 417,189.04, 625,807.78 and 161,023.04

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Solution

The fourth proportional to 417,189.04, 625,807.78 and 161,023.04 is: 241,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,189.04 : 625,807.78 = 161,023.04 : x
  2. Step 2: Convert to fraction form
    417,189.04/625,807.78 = 161,023.04/x
  3. Step 3: Cross multiply
    417,189.04x = 625,807.78 × 161,023.04
  4. Step 4: Simplify right side
    417,189.04x = 100,769,468,699.23
  5. Step 5: Solve for x
    x = 100,769,468,699.23/417,189.04
  6. Step 6: Final answer
    x = 241,543.90

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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.