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Finding the Fourth Proportional to 398,182.96, 549,493.23 and 237,043.59

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Solution

The fourth proportional to 398,182.96, 549,493.23 and 237,043.59 is: 327,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,182.96 : 549,493.23 = 237,043.59 : x
  2. Step 2: Convert to fraction form
    398,182.96/549,493.23 = 237,043.59/x
  3. Step 3: Cross multiply
    398,182.96x = 549,493.23 × 237,043.59
  4. Step 4: Simplify right side
    398,182.96x = 130,253,847,919.90
  5. Step 5: Solve for x
    x = 130,253,847,919.90/398,182.96
  6. Step 6: Final answer
    x = 327,120.60

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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.