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Finding the Fourth Proportional to 277,758.80, 416,638.20 and 237,669.20

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Solution

The fourth proportional to 277,758.80, 416,638.20 and 237,669.20 is: 356,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,758.80 : 416,638.20 = 237,669.20 : x
  2. Step 2: Convert to fraction form
    277,758.80/416,638.20 = 237,669.20/x
  3. Step 3: Cross multiply
    277,758.80x = 416,638.20 × 237,669.20
  4. Step 4: Simplify right side
    277,758.80x = 99,022,067,683.44
  5. Step 5: Solve for x
    x = 99,022,067,683.44/277,758.80
  6. Step 6: Final answer
    x = 356,503.80

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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.