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Finding the Fourth Proportional to 238,229.52, 328,760.85 and 130,804.08

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Solution

The fourth proportional to 238,229.52, 328,760.85 and 130,804.08 is: 180,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,229.52 : 328,760.85 = 130,804.08 : x
  2. Step 2: Convert to fraction form
    238,229.52/328,760.85 = 130,804.08/x
  3. Step 3: Cross multiply
    238,229.52x = 328,760.85 × 130,804.08
  4. Step 4: Simplify right side
    238,229.52x = 43,003,260,524.27
  5. Step 5: Solve for x
    x = 43,003,260,524.27/238,229.52
  6. Step 6: Final answer
    x = 180,511.89

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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.