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Finding the Fourth Proportional to 1,723,658.13, 2,376,096.31 and 1,103,372.00

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Solution

The fourth proportional to 1,723,658.13, 2,376,096.31 and 1,103,372.00 is: 1,521,019.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,658.13 : 2,376,096.31 = 1,103,372.00 : x
  2. Step 2: Convert to fraction form
    1,723,658.13/2,376,096.31 = 1,103,372.00/x
  3. Step 3: Cross multiply
    1,723,658.13x = 2,376,096.31 × 1,103,372.00
  4. Step 4: Simplify right side
    1,723,658.13x = 2,621,718,120,359.98
  5. Step 5: Solve for x
    x = 2,621,718,120,359.98/1,723,658.13
  6. Step 6: Final answer
    x = 1,521,019.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.