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Finding the Fourth Proportional to 440,740.44, 661,359.87 and 187,996.95

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Solution

The fourth proportional to 440,740.44, 661,359.87 and 187,996.95 is: 282,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,740.44 : 661,359.87 = 187,996.95 : x
  2. Step 2: Convert to fraction form
    440,740.44/661,359.87 = 187,996.95/x
  3. Step 3: Cross multiply
    440,740.44x = 661,359.87 × 187,996.95
  4. Step 4: Simplify right side
    440,740.44x = 124,333,638,412.40
  5. Step 5: Solve for x
    x = 124,333,638,412.40/440,740.44
  6. Step 6: Final answer
    x = 282,101.73

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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.