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Finding the Fourth Proportional to 322,404.70, 483,376.65 and 144,766.30

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Solution

The fourth proportional to 322,404.70, 483,376.65 and 144,766.30 is: 217,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,404.70 : 483,376.65 = 144,766.30 : x
  2. Step 2: Convert to fraction form
    322,404.70/483,376.65 = 144,766.30/x
  3. Step 3: Cross multiply
    322,404.70x = 483,376.65 × 144,766.30
  4. Step 4: Simplify right side
    322,404.70x = 69,976,649,126.90
  5. Step 5: Solve for x
    x = 69,976,649,126.90/322,404.70
  6. Step 6: Final answer
    x = 217,046.00

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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.