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Finding the Fourth Proportional to 1,582,658.20, 2,375,007.90 and 873,195.40

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Solution

The fourth proportional to 1,582,658.20, 2,375,007.90 and 873,195.40 is: 1,310,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,658.20 : 2,375,007.90 = 873,195.40 : x
  2. Step 2: Convert to fraction form
    1,582,658.20/2,375,007.90 = 873,195.40/x
  3. Step 3: Cross multiply
    1,582,658.20x = 2,375,007.90 × 873,195.40
  4. Step 4: Simplify right side
    1,582,658.20x = 2,073,845,973,243.66
  5. Step 5: Solve for x
    x = 2,073,845,973,243.66/1,582,658.20
  6. Step 6: Final answer
    x = 1,310,356.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.