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Finding the Fourth Proportional to 537,958.20, 806,748.71 and 158,777.76

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Solution

The fourth proportional to 537,958.20, 806,748.71 and 158,777.76 is: 238,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,958.20 : 806,748.71 = 158,777.76 : x
  2. Step 2: Convert to fraction form
    537,958.20/806,748.71 = 158,777.76/x
  3. Step 3: Cross multiply
    537,958.20x = 806,748.71 × 158,777.76
  4. Step 4: Simplify right side
    537,958.20x = 128,093,752,262.80
  5. Step 5: Solve for x
    x = 128,093,752,262.80/537,958.20
  6. Step 6: Final answer
    x = 238,110.98

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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.