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Finding the Fourth Proportional to 550,603.57, 825,895.64 and 151,242.79

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Solution

The fourth proportional to 550,603.57, 825,895.64 and 151,242.79 is: 226,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,603.57 : 825,895.64 = 151,242.79 : x
  2. Step 2: Convert to fraction form
    550,603.57/825,895.64 = 151,242.79/x
  3. Step 3: Cross multiply
    550,603.57x = 825,895.64 × 151,242.79
  4. Step 4: Simplify right side
    550,603.57x = 124,910,760,086.22
  5. Step 5: Solve for x
    x = 124,910,760,086.22/550,603.57
  6. Step 6: Final answer
    x = 226,861.52

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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.