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Finding the Fourth Proportional to 587,882.22, 811,274.11 and 326,234.90

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Solution

The fourth proportional to 587,882.22, 811,274.11 and 326,234.90 is: 450,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,882.22 : 811,274.11 = 326,234.90 : x
  2. Step 2: Convert to fraction form
    587,882.22/811,274.11 = 326,234.90/x
  3. Step 3: Cross multiply
    587,882.22x = 811,274.11 × 326,234.90
  4. Step 4: Simplify right side
    587,882.22x = 264,665,931,196.11
  5. Step 5: Solve for x
    x = 264,665,931,196.11/587,882.22
  6. Step 6: Final answer
    x = 450,202.31

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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.