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Finding the Fourth Proportional to 365,087.84, 503,610.96 and 219,792.56

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Solution

The fourth proportional to 365,087.84, 503,610.96 and 219,792.56 is: 303,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,087.84 : 503,610.96 = 219,792.56 : x
  2. Step 2: Convert to fraction form
    365,087.84/503,610.96 = 219,792.56/x
  3. Step 3: Cross multiply
    365,087.84x = 503,610.96 × 219,792.56
  4. Step 4: Simplify right side
    365,087.84x = 110,689,942,142.46
  5. Step 5: Solve for x
    x = 110,689,942,142.46/365,087.84
  6. Step 6: Final answer
    x = 303,187.15

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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.