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Finding the Fourth Proportional to 549,496.43, 822,825.10 and 379,243.49

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Solution

The fourth proportional to 549,496.43, 822,825.10 and 379,243.49 is: 567,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,496.43 : 822,825.10 = 379,243.49 : x
  2. Step 2: Convert to fraction form
    549,496.43/822,825.10 = 379,243.49/x
  3. Step 3: Cross multiply
    549,496.43x = 822,825.10 × 379,243.49
  4. Step 4: Simplify right side
    549,496.43x = 312,051,058,469.47
  5. Step 5: Solve for x
    x = 312,051,058,469.47/549,496.43
  6. Step 6: Final answer
    x = 567,885.51

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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.