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Finding the Fourth Proportional to 363,859.48, 546,135.90 and 262,758.52

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Solution

The fourth proportional to 363,859.48, 546,135.90 and 262,758.52 is: 394,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,859.48 : 546,135.90 = 262,758.52 : x
  2. Step 2: Convert to fraction form
    363,859.48/546,135.90 = 262,758.52/x
  3. Step 3: Cross multiply
    363,859.48x = 546,135.90 × 262,758.52
  4. Step 4: Simplify right side
    363,859.48x = 143,501,860,802.87
  5. Step 5: Solve for x
    x = 143,501,860,802.87/363,859.48
  6. Step 6: Final answer
    x = 394,388.13

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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.