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Finding the Fourth Proportional to 324,797.28, 487,294.32 and 147,256.62

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Solution

The fourth proportional to 324,797.28, 487,294.32 and 147,256.62 is: 220,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,797.28 : 487,294.32 = 147,256.62 : x
  2. Step 2: Convert to fraction form
    324,797.28/487,294.32 = 147,256.62/x
  3. Step 3: Cross multiply
    324,797.28x = 487,294.32 × 147,256.62
  4. Step 4: Simplify right side
    324,797.28x = 71,757,314,508.40
  5. Step 5: Solve for x
    x = 71,757,314,508.40/324,797.28
  6. Step 6: Final answer
    x = 220,929.54

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1.5x scale

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.