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Finding the Fourth Proportional to 496,386.33, 744,789.48 and 271,484.20

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Solution

The fourth proportional to 496,386.33, 744,789.48 and 271,484.20 is: 407,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,386.33 : 744,789.48 = 271,484.20 : x
  2. Step 2: Convert to fraction form
    496,386.33/744,789.48 = 271,484.20/x
  3. Step 3: Cross multiply
    496,386.33x = 744,789.48 × 271,484.20
  4. Step 4: Simplify right side
    496,386.33x = 202,198,576,146.22
  5. Step 5: Solve for x
    x = 202,198,576,146.22/496,386.33
  6. Step 6: Final answer
    x = 407,341.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.