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Finding the Fourth Proportional to 1,841,787.42, 2,764,566.42 and 1,520,917.02

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Solution

The fourth proportional to 1,841,787.42, 2,764,566.42 and 1,520,917.02 is: 2,282,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841,787.42 : 2,764,566.42 = 1,520,917.02 : x
  2. Step 2: Convert to fraction form
    1,841,787.42/2,764,566.42 = 1,520,917.02/x
  3. Step 3: Cross multiply
    1,841,787.42x = 2,764,566.42 × 1,520,917.02
  4. Step 4: Simplify right side
    1,841,787.42x = 4,204,676,121,098.47
  5. Step 5: Solve for x
    x = 4,204,676,121,098.47/1,841,787.42
  6. Step 6: Final answer
    x = 2,282,932.37

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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.