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Finding the Fourth Proportional to 488,907.38, 732,937.23 and 189,181.73

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Solution

The fourth proportional to 488,907.38, 732,937.23 and 189,181.73 is: 283,608.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,907.38 : 732,937.23 = 189,181.73 : x
  2. Step 2: Convert to fraction form
    488,907.38/732,937.23 = 189,181.73/x
  3. Step 3: Cross multiply
    488,907.38x = 732,937.23 × 189,181.73
  4. Step 4: Simplify right side
    488,907.38x = 138,658,329,488.12
  5. Step 5: Solve for x
    x = 138,658,329,488.12/488,907.38
  6. Step 6: Final answer
    x = 283,608.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.