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Finding the Fourth Proportional to 277,615.96, 416,422.56 and 67,253.92

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Solution

The fourth proportional to 277,615.96, 416,422.56 and 67,253.92 is: 100,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,615.96 : 416,422.56 = 67,253.92 : x
  2. Step 2: Convert to fraction form
    277,615.96/416,422.56 = 67,253.92/x
  3. Step 3: Cross multiply
    277,615.96x = 416,422.56 × 67,253.92
  4. Step 4: Simplify right side
    277,615.96x = 28,006,049,536.44
  5. Step 5: Solve for x
    x = 28,006,049,536.44/277,615.96
  6. Step 6: Final answer
    x = 100,880.55

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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.