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Finding the Fourth Proportional to 417,695.01, 576,419.64 and 226,708.46

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Solution

The fourth proportional to 417,695.01, 576,419.64 and 226,708.46 is: 312,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,695.01 : 576,419.64 = 226,708.46 : x
  2. Step 2: Convert to fraction form
    417,695.01/576,419.64 = 226,708.46/x
  3. Step 3: Cross multiply
    417,695.01x = 576,419.64 × 226,708.46
  4. Step 4: Simplify right side
    417,695.01x = 130,679,206,016.06
  5. Step 5: Solve for x
    x = 130,679,206,016.06/417,695.01
  6. Step 6: Final answer
    x = 312,857.95

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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.