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Finding the Fourth Proportional to 293,415.28, 404,850.80 and 172,512.44

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Solution

The fourth proportional to 293,415.28, 404,850.80 and 172,512.44 is: 238,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,415.28 : 404,850.80 = 172,512.44 : x
  2. Step 2: Convert to fraction form
    293,415.28/404,850.80 = 172,512.44/x
  3. Step 3: Cross multiply
    293,415.28x = 404,850.80 × 172,512.44
  4. Step 4: Simplify right side
    293,415.28x = 69,841,799,343.95
  5. Step 5: Solve for x
    x = 69,841,799,343.95/293,415.28
  6. Step 6: Final answer
    x = 238,030.55

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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.