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Finding the Fourth Proportional to 417,711.64, 576,304.82 and 236,405.56

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Solution

The fourth proportional to 417,711.64, 576,304.82 and 236,405.56 is: 326,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,711.64 : 576,304.82 = 236,405.56 : x
  2. Step 2: Convert to fraction form
    417,711.64/576,304.82 = 236,405.56/x
  3. Step 3: Cross multiply
    417,711.64x = 576,304.82 × 236,405.56
  4. Step 4: Simplify right side
    417,711.64x = 136,241,663,702.80
  5. Step 5: Solve for x
    x = 136,241,663,702.80/417,711.64
  6. Step 6: Final answer
    x = 326,162.00

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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.