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Finding the Fourth Proportional to 365,073.84, 503,591.64 and 219,778.56

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Solution

The fourth proportional to 365,073.84, 503,591.64 and 219,778.56 is: 303,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,073.84 : 503,591.64 = 219,778.56 : x
  2. Step 2: Convert to fraction form
    365,073.84/503,591.64 = 219,778.56/x
  3. Step 3: Cross multiply
    365,073.84x = 503,591.64 × 219,778.56
  4. Step 4: Simplify right side
    365,073.84x = 110,678,645,467.24
  5. Step 5: Solve for x
    x = 110,678,645,467.24/365,073.84
  6. Step 6: Final answer
    x = 303,167.83

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1.5x scale

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.