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Finding the Fourth Proportional to 363,776.90, 542,820.33 and 325,951.65

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Solution

The fourth proportional to 363,776.90, 542,820.33 and 325,951.65 is: 486,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,776.90 : 542,820.33 = 325,951.65 : x
  2. Step 2: Convert to fraction form
    363,776.90/542,820.33 = 325,951.65/x
  3. Step 3: Cross multiply
    363,776.90x = 542,820.33 × 325,951.65
  4. Step 4: Simplify right side
    363,776.90x = 176,933,182,217.05
  5. Step 5: Solve for x
    x = 176,933,182,217.05/363,776.90
  6. Step 6: Final answer
    x = 486,378.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.