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Finding the Fourth Proportional to 630,711.87, 946,067.81 and 157,397.24

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Solution

The fourth proportional to 630,711.87, 946,067.81 and 157,397.24 is: 236,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,711.87 : 946,067.81 = 157,397.24 : x
  2. Step 2: Convert to fraction form
    630,711.87/946,067.81 = 157,397.24/x
  3. Step 3: Cross multiply
    630,711.87x = 946,067.81 × 157,397.24
  4. Step 4: Simplify right side
    630,711.87x = 148,908,456,629.52
  5. Step 5: Solve for x
    x = 148,908,456,629.52/630,711.87
  6. Step 6: Final answer
    x = 236,095.85

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Similar ratio
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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.