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Finding the Fourth Proportional to 397,906.22, 596,656.54 and 195,515.77

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Solution

The fourth proportional to 397,906.22, 596,656.54 and 195,515.77 is: 293,174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,906.22 : 596,656.54 = 195,515.77 : x
  2. Step 2: Convert to fraction form
    397,906.22/596,656.54 = 195,515.77/x
  3. Step 3: Cross multiply
    397,906.22x = 596,656.54 × 195,515.77
  4. Step 4: Simplify right side
    397,906.22x = 116,655,760,863.21
  5. Step 5: Solve for x
    x = 116,655,760,863.21/397,906.22
  6. Step 6: Final answer
    x = 293,174.01

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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.