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Finding the Fourth Proportional to 441,976.04, 663,012.96 and 157,732.86

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Solution

The fourth proportional to 441,976.04, 663,012.96 and 157,732.86 is: 236,616.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,976.04 : 663,012.96 = 157,732.86 : x
  2. Step 2: Convert to fraction form
    441,976.04/663,012.96 = 157,732.86/x
  3. Step 3: Cross multiply
    441,976.04x = 663,012.96 × 157,732.86
  4. Step 4: Simplify right side
    441,976.04x = 104,578,930,397.87
  5. Step 5: Solve for x
    x = 104,578,930,397.87/441,976.04
  6. Step 6: Final answer
    x = 236,616.74

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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.