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Finding the Fourth Proportional to 398,181.96, 549,491.85 and 237,042.59

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Solution

The fourth proportional to 398,181.96, 549,491.85 and 237,042.59 is: 327,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,181.96 : 549,491.85 = 237,042.59 : x
  2. Step 2: Convert to fraction form
    398,181.96/549,491.85 = 237,042.59/x
  3. Step 3: Cross multiply
    398,181.96x = 549,491.85 × 237,042.59
  4. Step 4: Simplify right side
    398,181.96x = 130,252,968,560.43
  5. Step 5: Solve for x
    x = 130,252,968,560.43/398,181.96
  6. Step 6: Final answer
    x = 327,119.21

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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.