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Finding the Fourth Proportional to 358,371.29, 537,079.18 and 133,505.30

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Solution

The fourth proportional to 358,371.29, 537,079.18 and 133,505.30 is: 200,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,371.29 : 537,079.18 = 133,505.30 : x
  2. Step 2: Convert to fraction form
    358,371.29/537,079.18 = 133,505.30/x
  3. Step 3: Cross multiply
    358,371.29x = 537,079.18 × 133,505.30
  4. Step 4: Simplify right side
    358,371.29x = 71,702,917,049.65
  5. Step 5: Solve for x
    x = 71,702,917,049.65/358,371.29
  6. Step 6: Final answer
    x = 200,079.97

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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.