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Finding the Fourth Proportional to 454,423.40, 627,101.18 and 250,474.49

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Solution

The fourth proportional to 454,423.40, 627,101.18 and 250,474.49 is: 345,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,423.40 : 627,101.18 = 250,474.49 : x
  2. Step 2: Convert to fraction form
    454,423.40/627,101.18 = 250,474.49/x
  3. Step 3: Cross multiply
    454,423.40x = 627,101.18 × 250,474.49
  4. Step 4: Simplify right side
    454,423.40x = 157,072,847,671.56
  5. Step 5: Solve for x
    x = 157,072,847,671.56/454,423.40
  6. Step 6: Final answer
    x = 345,653.08

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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.