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Finding the Fourth Proportional to 536,091.80, 739,808.73 and 291,076.92

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Solution

The fourth proportional to 536,091.80, 739,808.73 and 291,076.92 is: 401,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,091.80 : 739,808.73 = 291,076.92 : x
  2. Step 2: Convert to fraction form
    536,091.80/739,808.73 = 291,076.92/x
  3. Step 3: Cross multiply
    536,091.80x = 739,808.73 × 291,076.92
  4. Step 4: Simplify right side
    536,091.80x = 215,341,246,517.51
  5. Step 5: Solve for x
    x = 215,341,246,517.51/536,091.80
  6. Step 6: Final answer
    x = 401,687.26

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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.