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Finding the Fourth Proportional to 501,499.77, 752,247.07 and 122,422.51

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Solution

The fourth proportional to 501,499.77, 752,247.07 and 122,422.51 is: 183,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,499.77 : 752,247.07 = 122,422.51 : x
  2. Step 2: Convert to fraction form
    501,499.77/752,247.07 = 122,422.51/x
  3. Step 3: Cross multiply
    501,499.77x = 752,247.07 × 122,422.51
  4. Step 4: Simplify right side
    501,499.77x = 92,091,970,076.20
  5. Step 5: Solve for x
    x = 92,091,970,076.20/501,499.77
  6. Step 6: Final answer
    x = 183,633.13

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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.