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Finding the Fourth Proportional to 322,275.78, 483,516.95 and 132,824.88

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Solution

The fourth proportional to 322,275.78, 483,516.95 and 132,824.88 is: 199,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,275.78 : 483,516.95 = 132,824.88 : x
  2. Step 2: Convert to fraction form
    322,275.78/483,516.95 = 132,824.88/x
  3. Step 3: Cross multiply
    322,275.78x = 483,516.95 × 132,824.88
  4. Step 4: Simplify right side
    322,275.78x = 64,223,080,197.59
  5. Step 5: Solve for x
    x = 64,223,080,197.59/322,275.78
  6. Step 6: Final answer
    x = 199,279.88

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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.