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Finding the Fourth Proportional to 277,347.88, 416,084.46 and 87,819.76

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Solution

The fourth proportional to 277,347.88, 416,084.46 and 87,819.76 is: 131,749.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,347.88 : 416,084.46 = 87,819.76 : x
  2. Step 2: Convert to fraction form
    277,347.88/416,084.46 = 87,819.76/x
  3. Step 3: Cross multiply
    277,347.88x = 416,084.46 × 87,819.76
  4. Step 4: Simplify right side
    277,347.88x = 36,540,437,416.93
  5. Step 5: Solve for x
    x = 36,540,437,416.93/277,347.88
  6. Step 6: Final answer
    x = 131,749.47

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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.