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Finding the Fourth Proportional to 335,847.77, 462,980.31 and 255,135.17

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Solution

The fourth proportional to 335,847.77, 462,980.31 and 255,135.17 is: 351,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,847.77 : 462,980.31 = 255,135.17 : x
  2. Step 2: Convert to fraction form
    335,847.77/462,980.31 = 255,135.17/x
  3. Step 3: Cross multiply
    335,847.77x = 462,980.31 × 255,135.17
  4. Step 4: Simplify right side
    335,847.77x = 118,122,557,783.60
  5. Step 5: Solve for x
    x = 118,122,557,783.60/335,847.77
  6. Step 6: Final answer
    x = 351,714.59

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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.