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Finding the Fourth Proportional to 328,073.96, 491,935.98 and 169,910.12

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Solution

The fourth proportional to 328,073.96, 491,935.98 and 169,910.12 is: 254,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,073.96 : 491,935.98 = 169,910.12 : x
  2. Step 2: Convert to fraction form
    328,073.96/491,935.98 = 169,910.12/x
  3. Step 3: Cross multiply
    328,073.96x = 491,935.98 × 169,910.12
  4. Step 4: Simplify right side
    328,073.96x = 83,584,901,394.12
  5. Step 5: Solve for x
    x = 83,584,901,394.12/328,073.96
  6. Step 6: Final answer
    x = 254,774.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.