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Finding the Fourth Proportional to 552,005.80, 828,008.70 and 548,506.60

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Solution

The fourth proportional to 552,005.80, 828,008.70 and 548,506.60 is: 822,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,005.80 : 828,008.70 = 548,506.60 : x
  2. Step 2: Convert to fraction form
    552,005.80/828,008.70 = 548,506.60/x
  3. Step 3: Cross multiply
    552,005.80x = 828,008.70 × 548,506.60
  4. Step 4: Simplify right side
    552,005.80x = 454,168,236,807.42
  5. Step 5: Solve for x
    x = 454,168,236,807.42/552,005.80
  6. Step 6: Final answer
    x = 822,759.90

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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.