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Finding the Fourth Proportional to 293,115.84, 404,476.92 and 172,261.68

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Solution

The fourth proportional to 293,115.84, 404,476.92 and 172,261.68 is: 237,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,115.84 : 404,476.92 = 172,261.68 : x
  2. Step 2: Convert to fraction form
    293,115.84/404,476.92 = 172,261.68/x
  3. Step 3: Cross multiply
    293,115.84x = 404,476.92 × 172,261.68
  4. Step 4: Simplify right side
    293,115.84x = 69,675,873,760.43
  5. Step 5: Solve for x
    x = 69,675,873,760.43/293,115.84
  6. Step 6: Final answer
    x = 237,707.64

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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.