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Finding the Fourth Proportional to 250,594.83, 376,212.98 and 215,282.07

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Solution

The fourth proportional to 250,594.83, 376,212.98 and 215,282.07 is: 323,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,594.83 : 376,212.98 = 215,282.07 : x
  2. Step 2: Convert to fraction form
    250,594.83/376,212.98 = 215,282.07/x
  3. Step 3: Cross multiply
    250,594.83x = 376,212.98 × 215,282.07
  4. Step 4: Simplify right side
    250,594.83x = 80,991,909,633.47
  5. Step 5: Solve for x
    x = 80,991,909,633.47/250,594.83
  6. Step 6: Final answer
    x = 323,198.65

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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.