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Finding the Fourth Proportional to 501,325.40, 691,824.33 and 271,887.74

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Solution

The fourth proportional to 501,325.40, 691,824.33 and 271,887.74 is: 375,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,325.40 : 691,824.33 = 271,887.74 : x
  2. Step 2: Convert to fraction form
    501,325.40/691,824.33 = 271,887.74/x
  3. Step 3: Cross multiply
    501,325.40x = 691,824.33 × 271,887.74
  4. Step 4: Simplify right side
    501,325.40x = 188,098,550,101.59
  5. Step 5: Solve for x
    x = 188,098,550,101.59/501,325.40
  6. Step 6: Final answer
    x = 375,202.52

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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.