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Finding the Fourth Proportional to 396,902.56, 592,784.84 and 359,387.68

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Solution

The fourth proportional to 396,902.56, 592,784.84 and 359,387.68 is: 536,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,902.56 : 592,784.84 = 359,387.68 : x
  2. Step 2: Convert to fraction form
    396,902.56/592,784.84 = 359,387.68/x
  3. Step 3: Cross multiply
    396,902.56x = 592,784.84 × 359,387.68
  4. Step 4: Simplify right side
    396,902.56x = 213,039,568,386.77
  5. Step 5: Solve for x
    x = 213,039,568,386.77/396,902.56
  6. Step 6: Final answer
    x = 536,755.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.