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Finding the Fourth Proportional to 324,798.28, 487,295.82 and 147,257.62

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Solution

The fourth proportional to 324,798.28, 487,295.82 and 147,257.62 is: 220,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,798.28 : 487,295.82 = 147,257.62 : x
  2. Step 2: Convert to fraction form
    324,798.28/487,295.82 = 147,257.62/x
  3. Step 3: Cross multiply
    324,798.28x = 487,295.82 × 147,257.62
  4. Step 4: Simplify right side
    324,798.28x = 71,758,022,689.15
  5. Step 5: Solve for x
    x = 71,758,022,689.15/324,798.28
  6. Step 6: Final answer
    x = 220,931.04

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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.