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Finding the Fourth Proportional to 349,671.30, 482,545.67 and 196,709.59

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Solution

The fourth proportional to 349,671.30, 482,545.67 and 196,709.59 is: 271,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,671.30 : 482,545.67 = 196,709.59 : x
  2. Step 2: Convert to fraction form
    349,671.30/482,545.67 = 196,709.59/x
  3. Step 3: Cross multiply
    349,671.30x = 482,545.67 × 196,709.59
  4. Step 4: Simplify right side
    349,671.30x = 94,921,360,901.98
  5. Step 5: Solve for x
    x = 94,921,360,901.98/349,671.30
  6. Step 6: Final answer
    x = 271,458.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.