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Finding the Fourth Proportional to 325,562.88, 488,511.04 and 154,977.65

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Solution

The fourth proportional to 325,562.88, 488,511.04 and 154,977.65 is: 232,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,562.88 : 488,511.04 = 154,977.65 : x
  2. Step 2: Convert to fraction form
    325,562.88/488,511.04 = 154,977.65/x
  3. Step 3: Cross multiply
    325,562.88x = 488,511.04 × 154,977.65
  4. Step 4: Simplify right side
    325,562.88x = 75,708,290,148.26
  5. Step 5: Solve for x
    x = 75,708,290,148.26/325,562.88
  6. Step 6: Final answer
    x = 232,545.83

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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.