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Finding the Fourth Proportional to 277,818.55, 416,728.28 and 67,456.48

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Solution

The fourth proportional to 277,818.55, 416,728.28 and 67,456.48 is: 101,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,818.55 : 416,728.28 = 67,456.48 : x
  2. Step 2: Convert to fraction form
    277,818.55/416,728.28 = 67,456.48/x
  3. Step 3: Cross multiply
    277,818.55x = 416,728.28 × 67,456.48
  4. Step 4: Simplify right side
    277,818.55x = 28,111,022,885.25
  5. Step 5: Solve for x
    x = 28,111,022,885.25/277,818.55
  6. Step 6: Final answer
    x = 101,184.83

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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.