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Finding the Fourth Proportional to 382,012.66, 526,957.92 and 238,523.59

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Solution

The fourth proportional to 382,012.66, 526,957.92 and 238,523.59 is: 329,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,012.66 : 526,957.92 = 238,523.59 : x
  2. Step 2: Convert to fraction form
    382,012.66/526,957.92 = 238,523.59/x
  3. Step 3: Cross multiply
    382,012.66x = 526,957.92 × 238,523.59
  4. Step 4: Simplify right side
    382,012.66x = 125,691,894,857.33
  5. Step 5: Solve for x
    x = 125,691,894,857.33/382,012.66
  6. Step 6: Final answer
    x = 329,025.47

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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.