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Finding the Fourth Proportional to 561,895.64, 774,753.41 and 454,132.43

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Solution

The fourth proportional to 561,895.64, 774,753.41 and 454,132.43 is: 626,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,895.64 : 774,753.41 = 454,132.43 : x
  2. Step 2: Convert to fraction form
    561,895.64/774,753.41 = 454,132.43/x
  3. Step 3: Cross multiply
    561,895.64x = 774,753.41 × 454,132.43
  4. Step 4: Simplify right side
    561,895.64x = 351,840,645,995.65
  5. Step 5: Solve for x
    x = 351,840,645,995.65/561,895.64
  6. Step 6: Final answer
    x = 626,167.25

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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.