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Finding the Fourth Proportional to 361,709.13, 542,452.84 and 250,106.52

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Solution

The fourth proportional to 361,709.13, 542,452.84 and 250,106.52 is: 375,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,709.13 : 542,452.84 = 250,106.52 : x
  2. Step 2: Convert to fraction form
    361,709.13/542,452.84 = 250,106.52/x
  3. Step 3: Cross multiply
    361,709.13x = 542,452.84 × 250,106.52
  4. Step 4: Simplify right side
    361,709.13x = 135,670,992,076.52
  5. Step 5: Solve for x
    x = 135,670,992,076.52/361,709.13
  6. Step 6: Final answer
    x = 375,083.13

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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.