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Finding the Fourth Proportional to 277,450.80, 416,176.20 and 90,462.30

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Solution

The fourth proportional to 277,450.80, 416,176.20 and 90,462.30 is: 135,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,450.80 : 416,176.20 = 90,462.30 : x
  2. Step 2: Convert to fraction form
    277,450.80/416,176.20 = 90,462.30/x
  3. Step 3: Cross multiply
    277,450.80x = 416,176.20 × 90,462.30
  4. Step 4: Simplify right side
    277,450.80x = 37,648,256,257.26
  5. Step 5: Solve for x
    x = 37,648,256,257.26/277,450.80
  6. Step 6: Final answer
    x = 135,693.45

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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.