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Finding the Fourth Proportional to 882,773.79, 1,324,172.98 and 251,687.60

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Solution

The fourth proportional to 882,773.79, 1,324,172.98 and 251,687.60 is: 377,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,773.79 : 1,324,172.98 = 251,687.60 : x
  2. Step 2: Convert to fraction form
    882,773.79/1,324,172.98 = 251,687.60/x
  3. Step 3: Cross multiply
    882,773.79x = 1,324,172.98 × 251,687.60
  4. Step 4: Simplify right side
    882,773.79x = 333,277,912,700.18
  5. Step 5: Solve for x
    x = 333,277,912,700.18/882,773.79
  6. Step 6: Final answer
    x = 377,534.90

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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.