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Finding the Fourth Proportional to 537,817.75, 806,726.69 and 163,840.75

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Solution

The fourth proportional to 537,817.75, 806,726.69 and 163,840.75 is: 245,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,817.75 : 806,726.69 = 163,840.75 : x
  2. Step 2: Convert to fraction form
    537,817.75/806,726.69 = 163,840.75/x
  3. Step 3: Cross multiply
    537,817.75x = 806,726.69 × 163,840.75
  4. Step 4: Simplify right side
    537,817.75x = 132,174,705,934.62
  5. Step 5: Solve for x
    x = 132,174,705,934.62/537,817.75
  6. Step 6: Final answer
    x = 245,761.14

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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.