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Finding the Fourth Proportional to 313,570.28, 432,725.86 and 179,433.96

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Solution

The fourth proportional to 313,570.28, 432,725.86 and 179,433.96 is: 247,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,570.28 : 432,725.86 = 179,433.96 : x
  2. Step 2: Convert to fraction form
    313,570.28/432,725.86 = 179,433.96/x
  3. Step 3: Cross multiply
    313,570.28x = 432,725.86 × 179,433.96
  4. Step 4: Simplify right side
    313,570.28x = 77,645,714,654.21
  5. Step 5: Solve for x
    x = 77,645,714,654.21/313,570.28
  6. Step 6: Final answer
    x = 247,618.22

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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.