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Finding the Fourth Proportional to 367,281.20, 550,265.70 and 314,793.20

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Solution

The fourth proportional to 367,281.20, 550,265.70 and 314,793.20 is: 471,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,281.20 : 550,265.70 = 314,793.20 : x
  2. Step 2: Convert to fraction form
    367,281.20/550,265.70 = 314,793.20/x
  3. Step 3: Cross multiply
    367,281.20x = 550,265.70 × 314,793.20
  4. Step 4: Simplify right side
    367,281.20x = 173,219,900,553.24
  5. Step 5: Solve for x
    x = 173,219,900,553.24/367,281.20
  6. Step 6: Final answer
    x = 471,627.46

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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.