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Finding the Fourth Proportional to 548,425.28, 822,125.28 and 193,240.64

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Solution

The fourth proportional to 548,425.28, 822,125.28 and 193,240.64 is: 289,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,425.28 : 822,125.28 = 193,240.64 : x
  2. Step 2: Convert to fraction form
    548,425.28/822,125.28 = 193,240.64/x
  3. Step 3: Cross multiply
    548,425.28x = 822,125.28 × 193,240.64
  4. Step 4: Simplify right side
    548,425.28x = 158,868,015,267.38
  5. Step 5: Solve for x
    x = 158,868,015,267.38/548,425.28
  6. Step 6: Final answer
    x = 289,680.33

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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.