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Finding the Fourth Proportional to 273,876.10, 410,814.15 and 193,696.90

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Solution

The fourth proportional to 273,876.10, 410,814.15 and 193,696.90 is: 290,545.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,876.10 : 410,814.15 = 193,696.90 : x
  2. Step 2: Convert to fraction form
    273,876.10/410,814.15 = 193,696.90/x
  3. Step 3: Cross multiply
    273,876.10x = 410,814.15 × 193,696.90
  4. Step 4: Simplify right side
    273,876.10x = 79,573,427,331.14
  5. Step 5: Solve for x
    x = 79,573,427,331.14/273,876.10
  6. Step 6: Final answer
    x = 290,545.35

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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.