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Finding the Fourth Proportional to 277,793.60, 383,418.07 and 157,004.95

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Solution

The fourth proportional to 277,793.60, 383,418.07 and 157,004.95 is: 216,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,793.60 : 383,418.07 = 157,004.95 : x
  2. Step 2: Convert to fraction form
    277,793.60/383,418.07 = 157,004.95/x
  3. Step 3: Cross multiply
    277,793.60x = 383,418.07 × 157,004.95
  4. Step 4: Simplify right side
    277,793.60x = 60,198,534,909.45
  5. Step 5: Solve for x
    x = 60,198,534,909.45/277,793.60
  6. Step 6: Final answer
    x = 216,702.38

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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.