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Finding the Fourth Proportional to 335,990.77, 503,976.94 and 146,451.02

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Solution

The fourth proportional to 335,990.77, 503,976.94 and 146,451.02 is: 219,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,990.77 : 503,976.94 = 146,451.02 : x
  2. Step 2: Convert to fraction form
    335,990.77/503,976.94 = 146,451.02/x
  3. Step 3: Cross multiply
    335,990.77x = 503,976.94 × 146,451.02
  4. Step 4: Simplify right side
    335,990.77x = 73,807,934,033.47
  5. Step 5: Solve for x
    x = 73,807,934,033.47/335,990.77
  6. Step 6: Final answer
    x = 219,672.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.