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Finding the Fourth Proportional to 293,111.84, 404,471.40 and 172,257.68

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Solution

The fourth proportional to 293,111.84, 404,471.40 and 172,257.68 is: 237,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,111.84 : 404,471.40 = 172,257.68 : x
  2. Step 2: Convert to fraction form
    293,111.84/404,471.40 = 172,257.68/x
  3. Step 3: Cross multiply
    293,111.84x = 404,471.40 × 172,257.68
  4. Step 4: Simplify right side
    293,111.84x = 69,673,304,990.35
  5. Step 5: Solve for x
    x = 69,673,304,990.35/293,111.84
  6. Step 6: Final answer
    x = 237,702.12

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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.