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Finding the Fourth Proportional to 552,187.80, 828,281.70 and 548,688.60

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Solution

The fourth proportional to 552,187.80, 828,281.70 and 548,688.60 is: 823,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,187.80 : 828,281.70 = 548,688.60 : x
  2. Step 2: Convert to fraction form
    552,187.80/828,281.70 = 548,688.60/x
  3. Step 3: Cross multiply
    552,187.80x = 828,281.70 × 548,688.60
  4. Step 4: Simplify right side
    552,187.80x = 454,468,726,378.62
  5. Step 5: Solve for x
    x = 454,468,726,378.62/552,187.80
  6. Step 6: Final answer
    x = 823,032.90

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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.