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Finding the Fourth Proportional to 300,712.30, 414,983.33 and 162,891.51

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Solution

The fourth proportional to 300,712.30, 414,983.33 and 162,891.51 is: 224,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,712.30 : 414,983.33 = 162,891.51 : x
  2. Step 2: Convert to fraction form
    300,712.30/414,983.33 = 162,891.51/x
  3. Step 3: Cross multiply
    300,712.30x = 414,983.33 × 162,891.51
  4. Step 4: Simplify right side
    300,712.30x = 67,597,261,248.53
  5. Step 5: Solve for x
    x = 67,597,261,248.53/300,712.30
  6. Step 6: Final answer
    x = 224,790.48

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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.