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Finding the Fourth Proportional to 548,380.80, 822,830.40 and 233,107.20

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Solution

The fourth proportional to 548,380.80, 822,830.40 and 233,107.20 is: 349,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,380.80 : 822,830.40 = 233,107.20 : x
  2. Step 2: Convert to fraction form
    548,380.80/822,830.40 = 233,107.20/x
  3. Step 3: Cross multiply
    548,380.80x = 822,830.40 × 233,107.20
  4. Step 4: Simplify right side
    548,380.80x = 191,807,690,618.88
  5. Step 5: Solve for x
    x = 191,807,690,618.88/548,380.80
  6. Step 6: Final answer
    x = 349,770.98

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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.