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Finding the Fourth Proportional to 341,532.30, 512,323.05 and 131,170.24

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Solution

The fourth proportional to 341,532.30, 512,323.05 and 131,170.24 is: 196,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,532.30 : 512,323.05 = 131,170.24 : x
  2. Step 2: Convert to fraction form
    341,532.30/512,323.05 = 131,170.24/x
  3. Step 3: Cross multiply
    341,532.30x = 512,323.05 × 131,170.24
  4. Step 4: Simplify right side
    341,532.30x = 67,201,534,864.42
  5. Step 5: Solve for x
    x = 67,201,534,864.42/341,532.30
  6. Step 6: Final answer
    x = 196,764.80

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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.