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Finding the Fourth Proportional to 417,660.88, 576,372.40 and 226,674.32

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Solution

The fourth proportional to 417,660.88, 576,372.40 and 226,674.32 is: 312,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,660.88 : 576,372.40 = 226,674.32 : x
  2. Step 2: Convert to fraction form
    417,660.88/576,372.40 = 226,674.32/x
  3. Step 3: Cross multiply
    417,660.88x = 576,372.40 × 226,674.32
  4. Step 4: Simplify right side
    417,660.88x = 130,648,821,836.77
  5. Step 5: Solve for x
    x = 130,648,821,836.77/417,660.88
  6. Step 6: Final answer
    x = 312,810.77

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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.