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Finding the Fourth Proportional to 537,487.47, 806,347.85 and 163,500.75

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Solution

The fourth proportional to 537,487.47, 806,347.85 and 163,500.75 is: 245,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,487.47 : 806,347.85 = 163,500.75 : x
  2. Step 2: Convert to fraction form
    537,487.47/806,347.85 = 163,500.75/x
  3. Step 3: Cross multiply
    537,487.47x = 806,347.85 × 163,500.75
  4. Step 4: Simplify right side
    537,487.47x = 131,838,477,418.38
  5. Step 5: Solve for x
    x = 131,838,477,418.38/537,487.47
  6. Step 6: Final answer
    x = 245,286.61

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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.