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Finding the Fourth Proportional to 536,218.65, 803,103.12 and 255,932.73

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Solution

The fourth proportional to 536,218.65, 803,103.12 and 255,932.73 is: 383,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,218.65 : 803,103.12 = 255,932.73 : x
  2. Step 2: Convert to fraction form
    536,218.65/803,103.12 = 255,932.73/x
  3. Step 3: Cross multiply
    536,218.65x = 803,103.12 × 255,932.73
  4. Step 4: Simplify right side
    536,218.65x = 205,540,373,973.12
  5. Step 5: Solve for x
    x = 205,540,373,973.12/536,218.65
  6. Step 6: Final answer
    x = 383,314.48

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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.