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Finding the Fourth Proportional to 298,777.77, 412,278.55 and 182,432.71

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Solution

The fourth proportional to 298,777.77, 412,278.55 and 182,432.71 is: 251,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,777.77 : 412,278.55 = 182,432.71 : x
  2. Step 2: Convert to fraction form
    298,777.77/412,278.55 = 182,432.71/x
  3. Step 3: Cross multiply
    298,777.77x = 412,278.55 × 182,432.71
  4. Step 4: Simplify right side
    298,777.77x = 75,213,093,151.37
  5. Step 5: Solve for x
    x = 75,213,093,151.37/298,777.77
  6. Step 6: Final answer
    x = 251,735.91

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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.