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Finding the Fourth Proportional to 361,089.94, 498,319.56 and 199,944.82

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Solution

The fourth proportional to 361,089.94, 498,319.56 and 199,944.82 is: 275,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,089.94 : 498,319.56 = 199,944.82 : x
  2. Step 2: Convert to fraction form
    361,089.94/498,319.56 = 199,944.82/x
  3. Step 3: Cross multiply
    361,089.94x = 498,319.56 × 199,944.82
  4. Step 4: Simplify right side
    361,089.94x = 99,636,414,726.68
  5. Step 5: Solve for x
    x = 99,636,414,726.68/361,089.94
  6. Step 6: Final answer
    x = 275,932.40

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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.