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Finding the Fourth Proportional to 238,232.91, 328,915.26 and 147,685.65

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Solution

The fourth proportional to 238,232.91, 328,915.26 and 147,685.65 is: 203,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,232.91 : 328,915.26 = 147,685.65 : x
  2. Step 2: Convert to fraction form
    238,232.91/328,915.26 = 147,685.65/x
  3. Step 3: Cross multiply
    238,232.91x = 328,915.26 × 147,685.65
  4. Step 4: Simplify right side
    238,232.91x = 48,576,063,968.02
  5. Step 5: Solve for x
    x = 48,576,063,968.02/238,232.91
  6. Step 6: Final answer
    x = 203,901.57

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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.