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Finding the Fourth Proportional to 367,325.86, 550,774.70 and 142,423.56

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Solution

The fourth proportional to 367,325.86, 550,774.70 and 142,423.56 is: 213,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,325.86 : 550,774.70 = 142,423.56 : x
  2. Step 2: Convert to fraction form
    367,325.86/550,774.70 = 142,423.56/x
  3. Step 3: Cross multiply
    367,325.86x = 550,774.70 × 142,423.56
  4. Step 4: Simplify right side
    367,325.86x = 78,443,293,531.93
  5. Step 5: Solve for x
    x = 78,443,293,531.93/367,325.86
  6. Step 6: Final answer
    x = 213,552.33

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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.