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Finding the Fourth Proportional to 417,697.20, 576,422.79 and 226,710.67

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Solution

The fourth proportional to 417,697.20, 576,422.79 and 226,710.67 is: 312,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,697.20 : 576,422.79 = 226,710.67 : x
  2. Step 2: Convert to fraction form
    417,697.20/576,422.79 = 226,710.67/x
  3. Step 3: Cross multiply
    417,697.20x = 576,422.79 × 226,710.67
  4. Step 4: Simplify right side
    417,697.20x = 130,681,196,924.17
  5. Step 5: Solve for x
    x = 130,681,196,924.17/417,697.20
  6. Step 6: Final answer
    x = 312,861.08

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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.