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Finding the Fourth Proportional to 417,040.90, 575,517.65 and 226,055.06

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Solution

The fourth proportional to 417,040.90, 575,517.65 and 226,055.06 is: 311,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,040.90 : 575,517.65 = 226,055.06 : x
  2. Step 2: Convert to fraction form
    417,040.90/575,517.65 = 226,055.06/x
  3. Step 3: Cross multiply
    417,040.90x = 575,517.65 × 226,055.06
  4. Step 4: Simplify right side
    417,040.90x = 130,098,676,901.81
  5. Step 5: Solve for x
    x = 130,098,676,901.81/417,040.90
  6. Step 6: Final answer
    x = 311,956.64

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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.