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Finding the Fourth Proportional to 441,515.88, 662,273.88 and 141,989.89

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Solution

The fourth proportional to 441,515.88, 662,273.88 and 141,989.89 is: 212,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,515.88 : 662,273.88 = 141,989.89 : x
  2. Step 2: Convert to fraction form
    441,515.88/662,273.88 = 141,989.89/x
  3. Step 3: Cross multiply
    441,515.88x = 662,273.88 × 141,989.89
  4. Step 4: Simplify right side
    441,515.88x = 94,036,195,371.07
  5. Step 5: Solve for x
    x = 94,036,195,371.07/441,515.88
  6. Step 6: Final answer
    x = 212,984.85

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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.