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Finding the Fourth Proportional to 358,382.07, 537,198.12 and 133,652.16

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Solution

The fourth proportional to 358,382.07, 537,198.12 and 133,652.16 is: 200,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,382.07 : 537,198.12 = 133,652.16 : x
  2. Step 2: Convert to fraction form
    358,382.07/537,198.12 = 133,652.16/x
  3. Step 3: Cross multiply
    358,382.07x = 537,198.12 × 133,652.16
  4. Step 4: Simplify right side
    358,382.07x = 71,797,689,085.94
  5. Step 5: Solve for x
    x = 71,797,689,085.94/358,382.07
  6. Step 6: Final answer
    x = 200,338.40

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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.