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Finding the Fourth Proportional to 360,992.40, 498,153.81 and 199,837.83

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Solution

The fourth proportional to 360,992.40, 498,153.81 and 199,837.83 is: 275,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,992.40 : 498,153.81 = 199,837.83 : x
  2. Step 2: Convert to fraction form
    360,992.40/498,153.81 = 199,837.83/x
  3. Step 3: Cross multiply
    360,992.40x = 498,153.81 × 199,837.83
  4. Step 4: Simplify right side
    360,992.40x = 99,549,976,396.63
  5. Step 5: Solve for x
    x = 99,549,976,396.63/360,992.40
  6. Step 6: Final answer
    x = 275,767.51

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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.