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Finding the Fourth Proportional to 349,385.92, 482,149.65 and 196,424.77

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Solution

The fourth proportional to 349,385.92, 482,149.65 and 196,424.77 is: 271,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,385.92 : 482,149.65 = 196,424.77 : x
  2. Step 2: Convert to fraction form
    349,385.92/482,149.65 = 196,424.77/x
  3. Step 3: Cross multiply
    349,385.92x = 482,149.65 × 196,424.77
  4. Step 4: Simplify right side
    349,385.92x = 94,706,134,106.83
  5. Step 5: Solve for x
    x = 94,706,134,106.83/349,385.92
  6. Step 6: Final answer
    x = 271,064.54

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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.