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Finding the Fourth Proportional to 503,736, 695,155.68 and 277,380.96

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Solution

The fourth proportional to 503,736, 695,155.68 and 277,380.96 is: 382,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,736 : 695,155.68 = 277,380.96 : x
  2. Step 2: Convert to fraction form
    503,736/695,155.68 = 277,380.96/x
  3. Step 3: Cross multiply
    503,736x = 695,155.68 × 277,380.96
  4. Step 4: Simplify right side
    503,736x = 192,822,949,867.85
  5. Step 5: Solve for x
    x = 192,822,949,867.85/503,736
  6. Step 6: Final answer
    x = 382,785.72

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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.