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Finding the Fourth Proportional to 360,816.36, 497,919.15 and 199,661.85

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Solution

The fourth proportional to 360,816.36, 497,919.15 and 199,661.85 is: 275,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,816.36 : 497,919.15 = 199,661.85 : x
  2. Step 2: Convert to fraction form
    360,816.36/497,919.15 = 199,661.85/x
  3. Step 3: Cross multiply
    360,816.36x = 497,919.15 × 199,661.85
  4. Step 4: Simplify right side
    360,816.36x = 99,415,458,639.43
  5. Step 5: Solve for x
    x = 99,415,458,639.43/360,816.36
  6. Step 6: Final answer
    x = 275,529.24

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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.