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Finding the Fourth Proportional to 341,371.40, 512,204.72 and 130,960.13

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Solution

The fourth proportional to 341,371.40, 512,204.72 and 130,960.13 is: 196,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,371.40 : 512,204.72 = 130,960.13 : x
  2. Step 2: Convert to fraction form
    341,371.40/512,204.72 = 130,960.13/x
  3. Step 3: Cross multiply
    341,371.40x = 512,204.72 × 130,960.13
  4. Step 4: Simplify right side
    341,371.40x = 67,078,393,501.99
  5. Step 5: Solve for x
    x = 67,078,393,501.99/341,371.40
  6. Step 6: Final answer
    x = 196,496.82

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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.