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Finding the Fourth Proportional to 488,911.80, 733,497.30 and 173,335.80

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Solution

The fourth proportional to 488,911.80, 733,497.30 and 173,335.80 is: 260,049.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,911.80 : 733,497.30 = 173,335.80 : x
  2. Step 2: Convert to fraction form
    488,911.80/733,497.30 = 173,335.80/x
  3. Step 3: Cross multiply
    488,911.80x = 733,497.30 × 173,335.80
  4. Step 4: Simplify right side
    488,911.80x = 127,141,341,293.34
  5. Step 5: Solve for x
    x = 127,141,341,293.34/488,911.80
  6. Step 6: Final answer
    x = 260,049.65

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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.