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Finding the Fourth Proportional to 341,496.57, 512,269.62 and 131,134.51

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Solution

The fourth proportional to 341,496.57, 512,269.62 and 131,134.51 is: 196,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,496.57 : 512,269.62 = 131,134.51 : x
  2. Step 2: Convert to fraction form
    341,496.57/512,269.62 = 131,134.51/x
  3. Step 3: Cross multiply
    341,496.57x = 512,269.62 × 131,134.51
  4. Step 4: Simplify right side
    341,496.57x = 67,176,225,755.17
  5. Step 5: Solve for x
    x = 67,176,225,755.17/341,496.57
  6. Step 6: Final answer
    x = 196,711.27

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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.