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Finding the Fourth Proportional to 365,091.84, 503,616.48 and 219,796.56

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Solution

The fourth proportional to 365,091.84, 503,616.48 and 219,796.56 is: 303,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,091.84 : 503,616.48 = 219,796.56 : x
  2. Step 2: Convert to fraction form
    365,091.84/503,616.48 = 219,796.56/x
  3. Step 3: Cross multiply
    365,091.84x = 503,616.48 × 219,796.56
  4. Step 4: Simplify right side
    365,091.84x = 110,693,169,863.31
  5. Step 5: Solve for x
    x = 110,693,169,863.31/365,091.84
  6. Step 6: Final answer
    x = 303,192.67

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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.