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Finding the Fourth Proportional to 439,014, 605,839.50 and 237,810

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Solution

The fourth proportional to 439,014, 605,839.50 and 237,810 is: 328,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,014 : 605,839.50 = 237,810 : x
  2. Step 2: Convert to fraction form
    439,014/605,839.50 = 237,810/x
  3. Step 3: Cross multiply
    439,014x = 605,839.50 × 237,810
  4. Step 4: Simplify right side
    439,014x = 144,074,691,495
  5. Step 5: Solve for x
    x = 144,074,691,495/439,014
  6. Step 6: Final answer
    x = 328,177.90

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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.