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Finding the Fourth Proportional to 300,523.47, 450,799.79 and 247,836.75

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Solution

The fourth proportional to 300,523.47, 450,799.79 and 247,836.75 is: 371,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,523.47 : 450,799.79 = 247,836.75 : x
  2. Step 2: Convert to fraction form
    300,523.47/450,799.79 = 247,836.75/x
  3. Step 3: Cross multiply
    300,523.47x = 450,799.79 × 247,836.75
  4. Step 4: Simplify right side
    300,523.47x = 111,724,754,854.28
  5. Step 5: Solve for x
    x = 111,724,754,854.28/300,523.47
  6. Step 6: Final answer
    x = 371,767.15

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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.