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Finding the Fourth Proportional to 363,590.12, 501,592.42 and 212,620.52

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Solution

The fourth proportional to 363,590.12, 501,592.42 and 212,620.52 is: 293,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,590.12 : 501,592.42 = 212,620.52 : x
  2. Step 2: Convert to fraction form
    363,590.12/501,592.42 = 212,620.52/x
  3. Step 3: Cross multiply
    363,590.12x = 501,592.42 × 212,620.52
  4. Step 4: Simplify right side
    363,590.12x = 106,648,841,168.46
  5. Step 5: Solve for x
    x = 106,648,841,168.46/363,590.12
  6. Step 6: Final answer
    x = 293,321.61

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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.