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Finding the Fourth Proportional to 1,862,843.52, 2,791,927.56 and 796,631.88

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Solution

The fourth proportional to 1,862,843.52, 2,791,927.56 and 796,631.88 is: 1,193,948.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,843.52 : 2,791,927.56 = 796,631.88 : x
  2. Step 2: Convert to fraction form
    1,862,843.52/2,791,927.56 = 796,631.88/x
  3. Step 3: Cross multiply
    1,862,843.52x = 2,791,927.56 × 796,631.88
  4. Step 4: Simplify right side
    1,862,843.52x = 2,224,138,500,946.61
  5. Step 5: Solve for x
    x = 2,224,138,500,946.61/1,862,843.52
  6. Step 6: Final answer
    x = 1,193,948.11

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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.