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Finding the Fourth Proportional to 361,666.35, 542,529.11 and 181,659.22

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Solution

The fourth proportional to 361,666.35, 542,529.11 and 181,659.22 is: 272,503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,666.35 : 542,529.11 = 181,659.22 : x
  2. Step 2: Convert to fraction form
    361,666.35/542,529.11 = 181,659.22/x
  3. Step 3: Cross multiply
    361,666.35x = 542,529.11 × 181,659.22
  4. Step 4: Simplify right side
    361,666.35x = 98,555,414,047.72
  5. Step 5: Solve for x
    x = 98,555,414,047.72/361,666.35
  6. Step 6: Final answer
    x = 272,503.69

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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.