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Finding the Fourth Proportional to 238,229.91, 328,911.13 and 147,682.64

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Solution

The fourth proportional to 238,229.91, 328,911.13 and 147,682.64 is: 203,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,229.91 : 328,911.13 = 147,682.64 : x
  2. Step 2: Convert to fraction form
    238,229.91/328,911.13 = 147,682.64/x
  3. Step 3: Cross multiply
    238,229.91x = 328,911.13 × 147,682.64
  4. Step 4: Simplify right side
    238,229.91x = 48,574,465,010.66
  5. Step 5: Solve for x
    x = 48,574,465,010.66/238,229.91
  6. Step 6: Final answer
    x = 203,897.42

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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.