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Finding the Fourth Proportional to 552,012.80, 828,019.20 and 548,513.60

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Solution

The fourth proportional to 552,012.80, 828,019.20 and 548,513.60 is: 822,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,012.80 : 828,019.20 = 548,513.60 : x
  2. Step 2: Convert to fraction form
    552,012.80/828,019.20 = 548,513.60/x
  3. Step 3: Cross multiply
    552,012.80x = 828,019.20 × 548,513.60
  4. Step 4: Simplify right side
    552,012.80x = 454,179,792,261.12
  5. Step 5: Solve for x
    x = 454,179,792,261.12/552,012.80
  6. Step 6: Final answer
    x = 822,770.40

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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.