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Finding the Fourth Proportional to 279,604.44, 385,856.10 and 152,277.48

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Solution

The fourth proportional to 279,604.44, 385,856.10 and 152,277.48 is: 210,144.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,604.44 : 385,856.10 = 152,277.48 : x
  2. Step 2: Convert to fraction form
    279,604.44/385,856.10 = 152,277.48/x
  3. Step 3: Cross multiply
    279,604.44x = 385,856.10 × 152,277.48
  4. Step 4: Simplify right side
    279,604.44x = 58,757,194,550.63
  5. Step 5: Solve for x
    x = 58,757,194,550.63/279,604.44
  6. Step 6: Final answer
    x = 210,144.00

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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.