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Finding the Fourth Proportional to 577,785.83, 866,613.13 and 222,770.12

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Solution

The fourth proportional to 577,785.83, 866,613.13 and 222,770.12 is: 334,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,785.83 : 866,613.13 = 222,770.12 : x
  2. Step 2: Convert to fraction form
    577,785.83/866,613.13 = 222,770.12/x
  3. Step 3: Cross multiply
    577,785.83x = 866,613.13 × 222,770.12
  4. Step 4: Simplify right side
    577,785.83x = 193,055,506,073.69
  5. Step 5: Solve for x
    x = 193,055,506,073.69/577,785.83
  6. Step 6: Final answer
    x = 334,129.88

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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.