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Finding the Fourth Proportional to 303,121.22, 454,715.86 and 247,435.34

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Solution

The fourth proportional to 303,121.22, 454,715.86 and 247,435.34 is: 371,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,121.22 : 454,715.86 = 247,435.34 : x
  2. Step 2: Convert to fraction form
    303,121.22/454,715.86 = 247,435.34/x
  3. Step 3: Cross multiply
    303,121.22x = 454,715.86 × 247,435.34
  4. Step 4: Simplify right side
    303,121.22x = 112,512,773,422.49
  5. Step 5: Solve for x
    x = 112,512,773,422.49/303,121.22
  6. Step 6: Final answer
    x = 371,180.79

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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.