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Finding the Fourth Proportional to 277,961.40, 383,587.06 and 150,636.99

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Solution

The fourth proportional to 277,961.40, 383,587.06 and 150,636.99 is: 207,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,961.40 : 383,587.06 = 150,636.99 : x
  2. Step 2: Convert to fraction form
    277,961.40/383,587.06 = 150,636.99/x
  3. Step 3: Cross multiply
    277,961.40x = 383,587.06 × 150,636.99
  4. Step 4: Simplify right side
    277,961.40x = 57,782,400,121.35
  5. Step 5: Solve for x
    x = 57,782,400,121.35/277,961.40
  6. Step 6: Final answer
    x = 207,879.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.