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Finding the Fourth Proportional to 543,966.39, 815,728.14 and 244,366.49

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Solution

The fourth proportional to 543,966.39, 815,728.14 and 244,366.49 is: 366,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,966.39 : 815,728.14 = 244,366.49 : x
  2. Step 2: Convert to fraction form
    543,966.39/815,728.14 = 244,366.49/x
  3. Step 3: Cross multiply
    543,966.39x = 815,728.14 × 244,366.49
  4. Step 4: Simplify right side
    543,966.39x = 199,336,618,287.39
  5. Step 5: Solve for x
    x = 199,336,618,287.39/543,966.39
  6. Step 6: Final answer
    x = 366,450.25

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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.