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Finding the Fourth Proportional to 483,742.66, 667,572.86 and 265,960.54

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Solution

The fourth proportional to 483,742.66, 667,572.86 and 265,960.54 is: 367,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,742.66 : 667,572.86 = 265,960.54 : x
  2. Step 2: Convert to fraction form
    483,742.66/667,572.86 = 265,960.54/x
  3. Step 3: Cross multiply
    483,742.66x = 667,572.86 × 265,960.54
  4. Step 4: Simplify right side
    483,742.66x = 177,548,038,334.94
  5. Step 5: Solve for x
    x = 177,548,038,334.94/483,742.66
  6. Step 6: Final answer
    x = 367,029.94

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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.