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Finding the Fourth Proportional to 277,758.97, 416,552.32 and 100,242.91

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Solution

The fourth proportional to 277,758.97, 416,552.32 and 100,242.91 is: 150,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,758.97 : 416,552.32 = 100,242.91 : x
  2. Step 2: Convert to fraction form
    277,758.97/416,552.32 = 100,242.91/x
  3. Step 3: Cross multiply
    277,758.97x = 416,552.32 × 100,242.91
  4. Step 4: Simplify right side
    277,758.97x = 41,756,417,370.05
  5. Step 5: Solve for x
    x = 41,756,417,370.05/277,758.97
  6. Step 6: Final answer
    x = 150,333.28

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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.