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Finding the Fourth Proportional to 361,007.85, 498,194.72 and 199,865.37

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Solution

The fourth proportional to 361,007.85, 498,194.72 and 199,865.37 is: 275,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,007.85 : 498,194.72 = 199,865.37 : x
  2. Step 2: Convert to fraction form
    361,007.85/498,194.72 = 199,865.37/x
  3. Step 3: Cross multiply
    361,007.85x = 498,194.72 × 199,865.37
  4. Step 4: Simplify right side
    361,007.85x = 99,571,871,045.52
  5. Step 5: Solve for x
    x = 99,571,871,045.52/361,007.85
  6. Step 6: Final answer
    x = 275,816.36

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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.