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Finding the Fourth Proportional to 349,777.92, 482,737.68 and 198,845.76

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Solution

The fourth proportional to 349,777.92, 482,737.68 and 198,845.76 is: 274,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,777.92 : 482,737.68 = 198,845.76 : x
  2. Step 2: Convert to fraction form
    349,777.92/482,737.68 = 198,845.76/x
  3. Step 3: Cross multiply
    349,777.92x = 482,737.68 × 198,845.76
  4. Step 4: Simplify right side
    349,777.92x = 95,990,340,860.24
  5. Step 5: Solve for x
    x = 95,990,340,860.24/349,777.92
  6. Step 6: Final answer
    x = 274,432.25

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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.