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Finding the Fourth Proportional to 242,282.87, 363,425.66 and 215,751.82

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Solution

The fourth proportional to 242,282.87, 363,425.66 and 215,751.82 is: 323,628.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,282.87 : 363,425.66 = 215,751.82 : x
  2. Step 2: Convert to fraction form
    242,282.87/363,425.66 = 215,751.82/x
  3. Step 3: Cross multiply
    242,282.87x = 363,425.66 × 215,751.82
  4. Step 4: Simplify right side
    242,282.87x = 78,409,747,210.52
  5. Step 5: Solve for x
    x = 78,409,747,210.52/242,282.87
  6. Step 6: Final answer
    x = 323,628.94

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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.