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Finding the Fourth Proportional to 578,272.62, 798,506.08 and 363,481.86

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Solution

The fourth proportional to 578,272.62, 798,506.08 and 363,481.86 is: 501,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,272.62 : 798,506.08 = 363,481.86 : x
  2. Step 2: Convert to fraction form
    578,272.62/798,506.08 = 363,481.86/x
  3. Step 3: Cross multiply
    578,272.62x = 798,506.08 × 363,481.86
  4. Step 4: Simplify right side
    578,272.62x = 290,242,475,179.71
  5. Step 5: Solve for x
    x = 290,242,475,179.71/578,272.62
  6. Step 6: Final answer
    x = 501,912.88

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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.