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Finding the Fourth Proportional to 277,794.60, 383,419.45 and 157,005.95

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Solution

The fourth proportional to 277,794.60, 383,419.45 and 157,005.95 is: 216,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,794.60 : 383,419.45 = 157,005.95 : x
  2. Step 2: Convert to fraction form
    277,794.60/383,419.45 = 157,005.95/x
  3. Step 3: Cross multiply
    277,794.60x = 383,419.45 × 157,005.95
  4. Step 4: Simplify right side
    277,794.60x = 60,199,134,995.73
  5. Step 5: Solve for x
    x = 60,199,134,995.73/277,794.60
  6. Step 6: Final answer
    x = 216,703.76

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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.