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Finding the Fourth Proportional to 625,115.82, 937,660.77 and 151,803.66

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Solution

The fourth proportional to 625,115.82, 937,660.77 and 151,803.66 is: 227,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,115.82 : 937,660.77 = 151,803.66 : x
  2. Step 2: Convert to fraction form
    625,115.82/937,660.77 = 151,803.66/x
  3. Step 3: Cross multiply
    625,115.82x = 937,660.77 × 151,803.66
  4. Step 4: Simplify right side
    625,115.82x = 142,340,336,724.42
  5. Step 5: Solve for x
    x = 142,340,336,724.42/625,115.82
  6. Step 6: Final answer
    x = 227,702.34

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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.