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Finding the Fourth Proportional to 550,372.77, 825,559.16 and 251,437.20

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Solution

The fourth proportional to 550,372.77, 825,559.16 and 251,437.20 is: 377,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,372.77 : 825,559.16 = 251,437.20 : x
  2. Step 2: Convert to fraction form
    550,372.77/825,559.16 = 251,437.20/x
  3. Step 3: Cross multiply
    550,372.77x = 825,559.16 × 251,437.20
  4. Step 4: Simplify right side
    550,372.77x = 207,576,282,367.57
  5. Step 5: Solve for x
    x = 207,576,282,367.57/550,372.77
  6. Step 6: Final answer
    x = 377,155.80

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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.