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Finding the Fourth Proportional to 277,987.20, 416,980.64 and 195,250.56

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Solution

The fourth proportional to 277,987.20, 416,980.64 and 195,250.56 is: 292,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,987.20 : 416,980.64 = 195,250.56 : x
  2. Step 2: Convert to fraction form
    277,987.20/416,980.64 = 195,250.56/x
  3. Step 3: Cross multiply
    277,987.20x = 416,980.64 × 195,250.56
  4. Step 4: Simplify right side
    277,987.20x = 81,415,703,469.16
  5. Step 5: Solve for x
    x = 81,415,703,469.16/277,987.20
  6. Step 6: Final answer
    x = 292,875.73

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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.