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Finding the Fourth Proportional to 341,732.70, 512,445.45 and 131,300.70

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Solution

The fourth proportional to 341,732.70, 512,445.45 and 131,300.70 is: 196,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,732.70 : 512,445.45 = 131,300.70 : x
  2. Step 2: Convert to fraction form
    341,732.70/512,445.45 = 131,300.70/x
  3. Step 3: Cross multiply
    341,732.70x = 512,445.45 × 131,300.70
  4. Step 4: Simplify right side
    341,732.70x = 67,284,446,296.82
  5. Step 5: Solve for x
    x = 67,284,446,296.82/341,732.70
  6. Step 6: Final answer
    x = 196,892.03

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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.