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Finding the Fourth Proportional to 504,550.36, 696,284.94 and 275,105.78

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Solution

The fourth proportional to 504,550.36, 696,284.94 and 275,105.78 is: 379,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,550.36 : 696,284.94 = 275,105.78 : x
  2. Step 2: Convert to fraction form
    504,550.36/696,284.94 = 275,105.78/x
  3. Step 3: Cross multiply
    504,550.36x = 696,284.94 × 275,105.78
  4. Step 4: Simplify right side
    504,550.36x = 191,552,011,520.95
  5. Step 5: Solve for x
    x = 191,552,011,520.95/504,550.36
  6. Step 6: Final answer
    x = 379,648.94

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Double scale
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Similar ratio
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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.