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Finding the Fourth Proportional to 1,229,579.10, 1,844,368.65 and 754,724.70

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Solution

The fourth proportional to 1,229,579.10, 1,844,368.65 and 754,724.70 is: 1,132,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,579.10 : 1,844,368.65 = 754,724.70 : x
  2. Step 2: Convert to fraction form
    1,229,579.10/1,844,368.65 = 754,724.70/x
  3. Step 3: Cross multiply
    1,229,579.10x = 1,844,368.65 × 754,724.70
  4. Step 4: Simplify right side
    1,229,579.10x = 1,391,990,576,060.65
  5. Step 5: Solve for x
    x = 1,391,990,576,060.65/1,229,579.10
  6. Step 6: Final answer
    x = 1,132,087.05

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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.