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Finding the Fourth Proportional to 580,748.70, 801,302.31 and 326,083.08

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Solution

The fourth proportional to 580,748.70, 801,302.31 and 326,083.08 is: 449,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,748.70 : 801,302.31 = 326,083.08 : x
  2. Step 2: Convert to fraction form
    580,748.70/801,302.31 = 326,083.08/x
  3. Step 3: Cross multiply
    580,748.70x = 801,302.31 × 326,083.08
  4. Step 4: Simplify right side
    580,748.70x = 261,291,125,255.92
  5. Step 5: Solve for x
    x = 261,291,125,255.92/580,748.70
  6. Step 6: Final answer
    x = 449,921.15

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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.