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Finding the Fourth Proportional to 358,311.33, 537,449.24 and 133,654.25

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Solution

The fourth proportional to 358,311.33, 537,449.24 and 133,654.25 is: 200,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,311.33 : 537,449.24 = 133,654.25 : x
  2. Step 2: Convert to fraction form
    358,311.33/537,449.24 = 133,654.25/x
  3. Step 3: Cross multiply
    358,311.33x = 537,449.24 × 133,654.25
  4. Step 4: Simplify right side
    358,311.33x = 71,832,376,763.03
  5. Step 5: Solve for x
    x = 71,832,376,763.03/358,311.33
  6. Step 6: Final answer
    x = 200,474.76

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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.