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Finding the Fourth Proportional to 356,193.67, 491,528.91 and 195,017.53

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Solution

The fourth proportional to 356,193.67, 491,528.91 and 195,017.53 is: 269,114.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,193.67 : 491,528.91 = 195,017.53 : x
  2. Step 2: Convert to fraction form
    356,193.67/491,528.91 = 195,017.53/x
  3. Step 3: Cross multiply
    356,193.67x = 491,528.91 × 195,017.53
  4. Step 4: Simplify right side
    356,193.67x = 95,856,753,951.79
  5. Step 5: Solve for x
    x = 95,856,753,951.79/356,193.67
  6. Step 6: Final answer
    x = 269,114.14

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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.