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Finding the Fourth Proportional to 363,858.48, 546,134.40 and 262,757.52

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Solution

The fourth proportional to 363,858.48, 546,134.40 and 262,757.52 is: 394,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,858.48 : 546,134.40 = 262,757.52 : x
  2. Step 2: Convert to fraction form
    363,858.48/546,134.40 = 262,757.52/x
  3. Step 3: Cross multiply
    363,858.48x = 546,134.40 × 262,757.52
  4. Step 4: Simplify right side
    363,858.48x = 143,500,920,530.69
  5. Step 5: Solve for x
    x = 143,500,920,530.69/363,858.48
  6. Step 6: Final answer
    x = 394,386.63

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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.