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Finding the Fourth Proportional to 488,108.80, 732,272.55 and 188,562.70

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Solution

The fourth proportional to 488,108.80, 732,272.55 and 188,562.70 is: 282,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,108.80 : 732,272.55 = 188,562.70 : x
  2. Step 2: Convert to fraction form
    488,108.80/732,272.55 = 188,562.70/x
  3. Step 3: Cross multiply
    488,108.80x = 732,272.55 × 188,562.70
  4. Step 4: Simplify right side
    488,108.80x = 138,079,289,163.89
  5. Step 5: Solve for x
    x = 138,079,289,163.89/488,108.80
  6. Step 6: Final answer
    x = 282,886.29

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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.