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Finding the Fourth Proportional to 483,649.28, 667,435.68 and 265,856.32

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Solution

The fourth proportional to 483,649.28, 667,435.68 and 265,856.32 is: 366,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,649.28 : 667,435.68 = 265,856.32 : x
  2. Step 2: Convert to fraction form
    483,649.28/667,435.68 = 265,856.32/x
  3. Step 3: Cross multiply
    483,649.28x = 667,435.68 × 265,856.32
  4. Step 4: Simplify right side
    483,649.28x = 177,441,993,721.50
  5. Step 5: Solve for x
    x = 177,441,993,721.50/483,649.28
  6. Step 6: Final answer
    x = 366,881.54

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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.