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Finding the Fourth Proportional to 417,579.40, 576,261.06 and 226,592.79

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Solution

The fourth proportional to 417,579.40, 576,261.06 and 226,592.79 is: 312,698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,579.40 : 576,261.06 = 226,592.79 : x
  2. Step 2: Convert to fraction form
    417,579.40/576,261.06 = 226,592.79/x
  3. Step 3: Cross multiply
    417,579.40x = 576,261.06 × 226,592.79
  4. Step 4: Simplify right side
    417,579.40x = 130,576,602,221.82
  5. Step 5: Solve for x
    x = 130,576,602,221.82/417,579.40
  6. Step 6: Final answer
    x = 312,698.86

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