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Finding the Fourth Proportional to 480,471.40, 663,029.78 and 262,676.04

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Solution

The fourth proportional to 480,471.40, 663,029.78 and 262,676.04 is: 362,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,471.40 : 663,029.78 = 262,676.04 : x
  2. Step 2: Convert to fraction form
    480,471.40/663,029.78 = 262,676.04/x
  3. Step 3: Cross multiply
    480,471.40x = 663,029.78 × 262,676.04
  4. Step 4: Simplify right side
    480,471.40x = 174,162,037,012.47
  5. Step 5: Solve for x
    x = 174,162,037,012.47/480,471.40
  6. Step 6: Final answer
    x = 362,481.59

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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.