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Finding the Fourth Proportional to 277,317.84, 416,039.07 and 87,789.57

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Solution

The fourth proportional to 277,317.84, 416,039.07 and 87,789.57 is: 131,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,317.84 : 416,039.07 = 87,789.57 : x
  2. Step 2: Convert to fraction form
    277,317.84/416,039.07 = 87,789.57/x
  3. Step 3: Cross multiply
    277,317.84x = 416,039.07 × 87,789.57
  4. Step 4: Simplify right side
    277,317.84x = 36,523,892,044.33
  5. Step 5: Solve for x
    x = 36,523,892,044.33/277,317.84
  6. Step 6: Final answer
    x = 131,704.08

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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.