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Finding the Fourth Proportional to 537,652.47, 806,480.82 and 217,810.39

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Solution

The fourth proportional to 537,652.47, 806,480.82 and 217,810.39 is: 326,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,652.47 : 806,480.82 = 217,810.39 : x
  2. Step 2: Convert to fraction form
    537,652.47/806,480.82 = 217,810.39/x
  3. Step 3: Cross multiply
    537,652.47x = 806,480.82 × 217,810.39
  4. Step 4: Simplify right side
    537,652.47x = 175,659,896,810.26
  5. Step 5: Solve for x
    x = 175,659,896,810.26/537,652.47
  6. Step 6: Final answer
    x = 326,716.43

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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.