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Finding the Fourth Proportional to 552,155.80, 828,233.70 and 548,656.60

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Solution

The fourth proportional to 552,155.80, 828,233.70 and 548,656.60 is: 822,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,155.80 : 828,233.70 = 548,656.60 : x
  2. Step 2: Convert to fraction form
    552,155.80/828,233.70 = 548,656.60/x
  3. Step 3: Cross multiply
    552,155.80x = 828,233.70 × 548,656.60
  4. Step 4: Simplify right side
    552,155.80x = 454,415,885,847.42
  5. Step 5: Solve for x
    x = 454,415,885,847.42/552,155.80
  6. Step 6: Final answer
    x = 822,984.90

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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.