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Finding the Fourth Proportional to 292,401.88, 403,581.24 and 190,247.11

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Solution

The fourth proportional to 292,401.88, 403,581.24 and 190,247.11 is: 262,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,401.88 : 403,581.24 = 190,247.11 : x
  2. Step 2: Convert to fraction form
    292,401.88/403,581.24 = 190,247.11/x
  3. Step 3: Cross multiply
    292,401.88x = 403,581.24 × 190,247.11
  4. Step 4: Simplify right side
    292,401.88x = 76,780,164,560.22
  5. Step 5: Solve for x
    x = 76,780,164,560.22/292,401.88
  6. Step 6: Final answer
    x = 262,584.37

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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.