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Finding the Fourth Proportional to 454,436.76, 627,229.50 and 282,484.44

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Solution

The fourth proportional to 454,436.76, 627,229.50 and 282,484.44 is: 389,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,436.76 : 627,229.50 = 282,484.44 : x
  2. Step 2: Convert to fraction form
    454,436.76/627,229.50 = 282,484.44/x
  3. Step 3: Cross multiply
    454,436.76x = 627,229.50 × 282,484.44
  4. Step 4: Simplify right side
    454,436.76x = 177,182,574,058.98
  5. Step 5: Solve for x
    x = 177,182,574,058.98/454,436.76
  6. Step 6: Final answer
    x = 389,894.90

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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.