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Finding the Fourth Proportional to 335,662.65, 503,504.07 and 82,943.12

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Solution

The fourth proportional to 335,662.65, 503,504.07 and 82,943.12 is: 124,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,662.65 : 503,504.07 = 82,943.12 : x
  2. Step 2: Convert to fraction form
    335,662.65/503,504.07 = 82,943.12/x
  3. Step 3: Cross multiply
    335,662.65x = 503,504.07 × 82,943.12
  4. Step 4: Simplify right side
    335,662.65x = 41,762,198,498.50
  5. Step 5: Solve for x
    x = 41,762,198,498.50/335,662.65
  6. Step 6: Final answer
    x = 124,417.17

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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.