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Finding the Fourth Proportional to 548,221, 822,452.46 and 232,947.40

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Solution

The fourth proportional to 548,221, 822,452.46 and 232,947.40 is: 349,472.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,221 : 822,452.46 = 232,947.40 : x
  2. Step 2: Convert to fraction form
    548,221/822,452.46 = 232,947.40/x
  3. Step 3: Cross multiply
    548,221x = 822,452.46 × 232,947.40
  4. Step 4: Simplify right side
    548,221x = 191,588,162,180.60
  5. Step 5: Solve for x
    x = 191,588,162,180.60/548,221
  6. Step 6: Final answer
    x = 349,472.50

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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.