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Finding the Fourth Proportional to 361,063.36, 498,295.48 and 199,933.40

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Solution

The fourth proportional to 361,063.36, 498,295.48 and 199,933.40 is: 275,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,063.36 : 498,295.48 = 199,933.40 : x
  2. Step 2: Convert to fraction form
    361,063.36/498,295.48 = 199,933.40/x
  3. Step 3: Cross multiply
    361,063.36x = 498,295.48 × 199,933.40
  4. Step 4: Simplify right side
    361,063.36x = 99,625,909,521.03
  5. Step 5: Solve for x
    x = 99,625,909,521.03/361,063.36
  6. Step 6: Final answer
    x = 275,923.62

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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.