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Finding the Fourth Proportional to 663,674.80, 995,512.20 and 627,732.40

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Solution

The fourth proportional to 663,674.80, 995,512.20 and 627,732.40 is: 941,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,674.80 : 995,512.20 = 627,732.40 : x
  2. Step 2: Convert to fraction form
    663,674.80/995,512.20 = 627,732.40/x
  3. Step 3: Cross multiply
    663,674.80x = 995,512.20 × 627,732.40
  4. Step 4: Simplify right side
    663,674.80x = 624,915,262,535.28
  5. Step 5: Solve for x
    x = 624,915,262,535.28/663,674.80
  6. Step 6: Final answer
    x = 941,598.60

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Similar ratio
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1.5x scale

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.