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Finding the Fourth Proportional to 368,601.87, 552,902.40 and 115,904.52

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Solution

The fourth proportional to 368,601.87, 552,902.40 and 115,904.52 is: 173,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,601.87 : 552,902.40 = 115,904.52 : x
  2. Step 2: Convert to fraction form
    368,601.87/552,902.40 = 115,904.52/x
  3. Step 3: Cross multiply
    368,601.87x = 552,902.40 × 115,904.52
  4. Step 4: Simplify right side
    368,601.87x = 64,083,887,278.85
  5. Step 5: Solve for x
    x = 64,083,887,278.85/368,601.87
  6. Step 6: Final answer
    x = 173,856.65

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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.