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Finding the Fourth Proportional to 417,852.82, 576,620.85 and 226,862.02

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Solution

The fourth proportional to 417,852.82, 576,620.85 and 226,862.02 is: 313,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,852.82 : 576,620.85 = 226,862.02 : x
  2. Step 2: Convert to fraction form
    417,852.82/576,620.85 = 226,862.02/x
  3. Step 3: Cross multiply
    417,852.82x = 576,620.85 × 226,862.02
  4. Step 4: Simplify right side
    417,852.82x = 130,813,370,805.12
  5. Step 5: Solve for x
    x = 130,813,370,805.12/417,852.82
  6. Step 6: Final answer
    x = 313,060.88

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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.