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Finding the Fourth Proportional to 381,530.98, 526,654.11 and 327,599.38

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Solution

The fourth proportional to 381,530.98, 526,654.11 and 327,599.38 is: 452,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,530.98 : 526,654.11 = 327,599.38 : x
  2. Step 2: Convert to fraction form
    381,530.98/526,654.11 = 327,599.38/x
  3. Step 3: Cross multiply
    381,530.98x = 526,654.11 × 327,599.38
  4. Step 4: Simplify right side
    381,530.98x = 172,531,559,910.45
  5. Step 5: Solve for x
    x = 172,531,559,910.45/381,530.98
  6. Step 6: Final answer
    x = 452,208.52

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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.