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Finding the Fourth Proportional to 369,759.97, 510,267.09 and 199,993.69

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Solution

The fourth proportional to 369,759.97, 510,267.09 and 199,993.69 is: 275,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,759.97 : 510,267.09 = 199,993.69 : x
  2. Step 2: Convert to fraction form
    369,759.97/510,267.09 = 199,993.69/x
  3. Step 3: Cross multiply
    369,759.97x = 510,267.09 × 199,993.69
  4. Step 4: Simplify right side
    369,759.97x = 102,050,198,214.66
  5. Step 5: Solve for x
    x = 102,050,198,214.66/369,759.97
  6. Step 6: Final answer
    x = 275,990.39

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Half scale
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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.