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Finding the Fourth Proportional to 454,677.50, 627,194.50 and 284,616.38

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Solution

The fourth proportional to 454,677.50, 627,194.50 and 284,616.38 is: 392,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,677.50 : 627,194.50 = 284,616.38 : x
  2. Step 2: Convert to fraction form
    454,677.50/627,194.50 = 284,616.38/x
  3. Step 3: Cross multiply
    454,677.50x = 627,194.50 × 284,616.38
  4. Step 4: Simplify right side
    454,677.50x = 178,509,829,002.36
  5. Step 5: Solve for x
    x = 178,509,829,002.36/454,677.50
  6. Step 6: Final answer
    x = 392,607.57

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1.5x scale

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.