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Finding the Fourth Proportional to 1,148,517, 1,722,790.08 and 400,563

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Solution

The fourth proportional to 1,148,517, 1,722,790.08 and 400,563 is: 600,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,517 : 1,722,790.08 = 400,563 : x
  2. Step 2: Convert to fraction form
    1,148,517/1,722,790.08 = 400,563/x
  3. Step 3: Cross multiply
    1,148,517x = 1,722,790.08 × 400,563
  4. Step 4: Simplify right side
    1,148,517x = 690,085,962,815.04
  5. Step 5: Solve for x
    x = 690,085,962,815.04/1,148,517
  6. Step 6: Final answer
    x = 600,849.58

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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.