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Finding the Fourth Proportional to 581,252.84, 871,408.70 and 181,687.88

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Solution

The fourth proportional to 581,252.84, 871,408.70 and 181,687.88 is: 272,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,252.84 : 871,408.70 = 181,687.88 : x
  2. Step 2: Convert to fraction form
    581,252.84/871,408.70 = 181,687.88/x
  3. Step 3: Cross multiply
    581,252.84x = 871,408.70 × 181,687.88
  4. Step 4: Simplify right side
    581,252.84x = 158,324,399,316.56
  5. Step 5: Solve for x
    x = 158,324,399,316.56/581,252.84
  6. Step 6: Final answer
    x = 272,384.73

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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.