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Finding the Fourth Proportional to 591,959.20, 888,889.20 and 548,298.40

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Solution

The fourth proportional to 591,959.20, 888,889.20 and 548,298.40 is: 823,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,959.20 : 888,889.20 = 548,298.40 : x
  2. Step 2: Convert to fraction form
    591,959.20/888,889.20 = 548,298.40/x
  3. Step 3: Cross multiply
    591,959.20x = 888,889.20 × 548,298.40
  4. Step 4: Simplify right side
    591,959.20x = 487,376,526,137.28
  5. Step 5: Solve for x
    x = 487,376,526,137.28/591,959.20
  6. Step 6: Final answer
    x = 823,327.90

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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.