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Finding the Fourth Proportional to 335,870.73, 463,509.90 and 206,761.17

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Solution

The fourth proportional to 335,870.73, 463,509.90 and 206,761.17 is: 285,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,870.73 : 463,509.90 = 206,761.17 : x
  2. Step 2: Convert to fraction form
    335,870.73/463,509.90 = 206,761.17/x
  3. Step 3: Cross multiply
    335,870.73x = 463,509.90 × 206,761.17
  4. Step 4: Simplify right side
    335,870.73x = 95,835,849,230.58
  5. Step 5: Solve for x
    x = 95,835,849,230.58/335,870.73
  6. Step 6: Final answer
    x = 285,335.52

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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.