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Finding the Fourth Proportional to 566,452.79, 781,613.39 and 324,690.88

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Solution

The fourth proportional to 566,452.79, 781,613.39 and 324,690.88 is: 448,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,452.79 : 781,613.39 = 324,690.88 : x
  2. Step 2: Convert to fraction form
    566,452.79/781,613.39 = 324,690.88/x
  3. Step 3: Cross multiply
    566,452.79x = 781,613.39 × 324,690.88
  4. Step 4: Simplify right side
    566,452.79x = 253,782,733,887.36
  5. Step 5: Solve for x
    x = 253,782,733,887.36/566,452.79
  6. Step 6: Final answer
    x = 448,020.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.