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Finding the Fourth Proportional to 341,529.73, 512,319.20 and 131,167.67

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Solution

The fourth proportional to 341,529.73, 512,319.20 and 131,167.67 is: 196,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,529.73 : 512,319.20 = 131,167.67 : x
  2. Step 2: Convert to fraction form
    341,529.73/512,319.20 = 131,167.67/x
  3. Step 3: Cross multiply
    341,529.73x = 512,319.20 × 131,167.67
  4. Step 4: Simplify right side
    341,529.73x = 67,199,712,542.83
  5. Step 5: Solve for x
    x = 67,199,712,542.83/341,529.73
  6. Step 6: Final answer
    x = 196,760.95

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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.