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Finding the Fourth Proportional to 505,146.24, 697,105.44 and 275,701.44

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Solution

The fourth proportional to 505,146.24, 697,105.44 and 275,701.44 is: 380,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,146.24 : 697,105.44 = 275,701.44 : x
  2. Step 2: Convert to fraction form
    505,146.24/697,105.44 = 275,701.44/x
  3. Step 3: Cross multiply
    505,146.24x = 697,105.44 × 275,701.44
  4. Step 4: Simplify right side
    505,146.24x = 192,192,973,639.83
  5. Step 5: Solve for x
    x = 192,192,973,639.83/505,146.24
  6. Step 6: Final answer
    x = 380,469.97

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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.