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Finding the Fourth Proportional to 549,843.42, 758,793.10 and 308,179.92

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Solution

The fourth proportional to 549,843.42, 758,793.10 and 308,179.92 is: 425,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,843.42 : 758,793.10 = 308,179.92 : x
  2. Step 2: Convert to fraction form
    549,843.42/758,793.10 = 308,179.92/x
  3. Step 3: Cross multiply
    549,843.42x = 758,793.10 × 308,179.92
  4. Step 4: Simplify right side
    549,843.42x = 233,844,796,854.55
  5. Step 5: Solve for x
    x = 233,844,796,854.55/549,843.42
  6. Step 6: Final answer
    x = 425,293.44

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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.