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Finding the Fourth Proportional to 455,502.08, 683,179.31 and 202,723.16

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Solution

The fourth proportional to 455,502.08, 683,179.31 and 202,723.16 is: 304,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,502.08 : 683,179.31 = 202,723.16 : x
  2. Step 2: Convert to fraction form
    455,502.08/683,179.31 = 202,723.16/x
  3. Step 3: Cross multiply
    455,502.08x = 683,179.31 × 202,723.16
  4. Step 4: Simplify right side
    455,502.08x = 138,496,265,660.73
  5. Step 5: Solve for x
    x = 138,496,265,660.73/455,502.08
  6. Step 6: Final answer
    x = 304,051.88

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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.