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Finding the Fourth Proportional to 366,930.68, 549,679.78 and 252,809.27

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Solution

The fourth proportional to 366,930.68, 549,679.78 and 252,809.27 is: 378,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,930.68 : 549,679.78 = 252,809.27 : x
  2. Step 2: Convert to fraction form
    366,930.68/549,679.78 = 252,809.27/x
  3. Step 3: Cross multiply
    366,930.68x = 549,679.78 × 252,809.27
  4. Step 4: Simplify right side
    366,930.68x = 138,964,144,575.12
  5. Step 5: Solve for x
    x = 138,964,144,575.12/366,930.68
  6. Step 6: Final answer
    x = 378,720.43

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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.