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Finding the Fourth Proportional to 277,798.20, 416,694.25 and 67,436.13

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Solution

The fourth proportional to 277,798.20, 416,694.25 and 67,436.13 is: 101,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,798.20 : 416,694.25 = 67,436.13 : x
  2. Step 2: Convert to fraction form
    277,798.20/416,694.25 = 67,436.13/x
  3. Step 3: Cross multiply
    277,798.20x = 416,694.25 × 67,436.13
  4. Step 4: Simplify right side
    277,798.20x = 28,100,247,613.25
  5. Step 5: Solve for x
    x = 28,100,247,613.25/277,798.20
  6. Step 6: Final answer
    x = 101,153.45

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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.