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Finding the Fourth Proportional to 361,659.93, 542,379.13 and 250,057.32

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Solution

The fourth proportional to 361,659.93, 542,379.13 and 250,057.32 is: 375,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,659.93 : 542,379.13 = 250,057.32 : x
  2. Step 2: Convert to fraction form
    361,659.93/542,379.13 = 250,057.32/x
  3. Step 3: Cross multiply
    361,659.93x = 542,379.13 × 250,057.32
  4. Step 4: Simplify right side
    361,659.93x = 135,625,869,012.67
  5. Step 5: Solve for x
    x = 135,625,869,012.67/361,659.93
  6. Step 6: Final answer
    x = 375,009.39

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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.