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Finding the Fourth Proportional to 417,719.60, 576,455.96 and 226,732.94

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Solution

The fourth proportional to 417,719.60, 576,455.96 and 226,732.94 is: 312,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,719.60 : 576,455.96 = 226,732.94 : x
  2. Step 2: Convert to fraction form
    417,719.60/576,455.96 = 226,732.94/x
  3. Step 3: Cross multiply
    417,719.60x = 576,455.96 × 226,732.94
  4. Step 4: Simplify right side
    417,719.60x = 130,701,554,591.32
  5. Step 5: Solve for x
    x = 130,701,554,591.32/417,719.60
  6. Step 6: Final answer
    x = 312,893.04

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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.