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Finding the Fourth Proportional to 501,851.70, 752,528.48 and 181,990.80

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Solution

The fourth proportional to 501,851.70, 752,528.48 and 181,990.80 is: 272,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,851.70 : 752,528.48 = 181,990.80 : x
  2. Step 2: Convert to fraction form
    501,851.70/752,528.48 = 181,990.80/x
  3. Step 3: Cross multiply
    501,851.70x = 752,528.48 × 181,990.80
  4. Step 4: Simplify right side
    501,851.70x = 136,953,259,188.03
  5. Step 5: Solve for x
    x = 136,953,259,188.03/501,851.70
  6. Step 6: Final answer
    x = 272,895.88

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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.