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Finding the Fourth Proportional to 447,095.97, 616,680.14 and 303,606.90

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Solution

The fourth proportional to 447,095.97, 616,680.14 and 303,606.90 is: 418,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,095.97 : 616,680.14 = 303,606.90 : x
  2. Step 2: Convert to fraction form
    447,095.97/616,680.14 = 303,606.90/x
  3. Step 3: Cross multiply
    447,095.97x = 616,680.14 × 303,606.90
  4. Step 4: Simplify right side
    447,095.97x = 187,228,344,078.93
  5. Step 5: Solve for x
    x = 187,228,344,078.93/447,095.97
  6. Step 6: Final answer
    x = 418,765.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.