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Finding the Fourth Proportional to 591,969.20, 888,904.20 and 548,308.40

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Solution

The fourth proportional to 591,969.20, 888,904.20 and 548,308.40 is: 823,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,969.20 : 888,904.20 = 548,308.40 : x
  2. Step 2: Convert to fraction form
    591,969.20/888,904.20 = 548,308.40/x
  3. Step 3: Cross multiply
    591,969.20x = 888,904.20 × 548,308.40
  4. Step 4: Simplify right side
    591,969.20x = 487,393,639,655.28
  5. Step 5: Solve for x
    x = 487,393,639,655.28/591,969.20
  6. Step 6: Final answer
    x = 823,342.90

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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.