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Finding the Fourth Proportional to 537,481.67, 806,339.13 and 163,494.95

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Solution

The fourth proportional to 537,481.67, 806,339.13 and 163,494.95 is: 245,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,481.67 : 806,339.13 = 163,494.95 : x
  2. Step 2: Convert to fraction form
    537,481.67/806,339.13 = 163,494.95/x
  3. Step 3: Cross multiply
    537,481.67x = 806,339.13 × 163,494.95
  4. Step 4: Simplify right side
    537,481.67x = 131,832,371,710.70
  5. Step 5: Solve for x
    x = 131,832,371,710.70/537,481.67
  6. Step 6: Final answer
    x = 245,277.90

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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.