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Finding the Fourth Proportional to 294,729.39, 406,726.56 and 160,593.39

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Solution

The fourth proportional to 294,729.39, 406,726.56 and 160,593.39 is: 221,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,729.39 : 406,726.56 = 160,593.39 : x
  2. Step 2: Convert to fraction form
    294,729.39/406,726.56 = 160,593.39/x
  3. Step 3: Cross multiply
    294,729.39x = 406,726.56 × 160,593.39
  4. Step 4: Simplify right side
    294,729.39x = 65,317,597,073.44
  5. Step 5: Solve for x
    x = 65,317,597,073.44/294,729.39
  6. Step 6: Final answer
    x = 221,618.88

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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.