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Finding the Fourth Proportional to 442,865.88, 663,890.04 and 176,562

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Solution

The fourth proportional to 442,865.88, 663,890.04 and 176,562 is: 264,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,865.88 : 663,890.04 = 176,562 : x
  2. Step 2: Convert to fraction form
    442,865.88/663,890.04 = 176,562/x
  3. Step 3: Cross multiply
    442,865.88x = 663,890.04 × 176,562
  4. Step 4: Simplify right side
    442,865.88x = 117,217,753,242.48
  5. Step 5: Solve for x
    x = 117,217,753,242.48/442,865.88
  6. Step 6: Final answer
    x = 264,680.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.