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Finding the Fourth Proportional to 537,559.98, 806,147.82 and 177,664.20

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Solution

The fourth proportional to 537,559.98, 806,147.82 and 177,664.20 is: 266,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,559.98 : 806,147.82 = 177,664.20 : x
  2. Step 2: Convert to fraction form
    537,559.98/806,147.82 = 177,664.20/x
  3. Step 3: Cross multiply
    537,559.98x = 806,147.82 × 177,664.20
  4. Step 4: Simplify right side
    537,559.98x = 143,223,607,522.04
  5. Step 5: Solve for x
    x = 143,223,607,522.04/537,559.98
  6. Step 6: Final answer
    x = 266,432.79

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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.