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Finding the Fourth Proportional to 334,447.92, 460,780.60 and 318,504.68

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Solution

The fourth proportional to 334,447.92, 460,780.60 and 318,504.68 is: 438,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,447.92 : 460,780.60 = 318,504.68 : x
  2. Step 2: Convert to fraction form
    334,447.92/460,780.60 = 318,504.68/x
  3. Step 3: Cross multiply
    334,447.92x = 460,780.60 × 318,504.68
  4. Step 4: Simplify right side
    334,447.92x = 146,760,777,553.21
  5. Step 5: Solve for x
    x = 146,760,777,553.21/334,447.92
  6. Step 6: Final answer
    x = 438,815.04

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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.