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Finding the Fourth Proportional to 452,387.52, 624,016.98 and 325,233.72

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Solution

The fourth proportional to 452,387.52, 624,016.98 and 325,233.72 is: 448,622.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,387.52 : 624,016.98 = 325,233.72 : x
  2. Step 2: Convert to fraction form
    452,387.52/624,016.98 = 325,233.72/x
  3. Step 3: Cross multiply
    452,387.52x = 624,016.98 × 325,233.72
  4. Step 4: Simplify right side
    452,387.52x = 202,951,363,748.57
  5. Step 5: Solve for x
    x = 202,951,363,748.57/452,387.52
  6. Step 6: Final answer
    x = 448,622.82

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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.