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Finding the Fourth Proportional to 377,922.60, 521,513.51 and 234,679.59

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Solution

The fourth proportional to 377,922.60, 521,513.51 and 234,679.59 is: 323,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,922.60 : 521,513.51 = 234,679.59 : x
  2. Step 2: Convert to fraction form
    377,922.60/521,513.51 = 234,679.59/x
  3. Step 3: Cross multiply
    377,922.60x = 521,513.51 × 234,679.59
  4. Step 4: Simplify right side
    377,922.60x = 122,388,575,532.86
  5. Step 5: Solve for x
    x = 122,388,575,532.86/377,922.60
  6. Step 6: Final answer
    x = 323,845.61

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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.