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Finding the Fourth Proportional to 417,663.80, 576,376.48 and 226,677.32

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Solution

The fourth proportional to 417,663.80, 576,376.48 and 226,677.32 is: 312,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,663.80 : 576,376.48 = 226,677.32 : x
  2. Step 2: Convert to fraction form
    417,663.80/576,376.48 = 226,677.32/x
  3. Step 3: Cross multiply
    417,663.80x = 576,376.48 × 226,677.32
  4. Step 4: Simplify right side
    417,663.80x = 130,651,475,797.43
  5. Step 5: Solve for x
    x = 130,651,475,797.43/417,663.80
  6. Step 6: Final answer
    x = 312,814.94

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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.