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Finding the Fourth Proportional to 409,317.93, 613,963.04 and 124,997.00

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Solution

The fourth proportional to 409,317.93, 613,963.04 and 124,997.00 is: 187,491.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,317.93 : 613,963.04 = 124,997.00 : x
  2. Step 2: Convert to fraction form
    409,317.93/613,963.04 = 124,997.00/x
  3. Step 3: Cross multiply
    409,317.93x = 613,963.04 × 124,997.00
  4. Step 4: Simplify right side
    409,317.93x = 76,743,534,416.08
  5. Step 5: Solve for x
    x = 76,743,534,416.08/409,317.93
  6. Step 6: Final answer
    x = 187,491.26

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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.