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Finding the Fourth Proportional to 398,657.03, 597,763.67 and 236,616.93

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Solution

The fourth proportional to 398,657.03, 597,763.67 and 236,616.93 is: 354,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,657.03 : 597,763.67 = 236,616.93 : x
  2. Step 2: Convert to fraction form
    398,657.03/597,763.67 = 236,616.93/x
  3. Step 3: Cross multiply
    398,657.03x = 597,763.67 × 236,616.93
  4. Step 4: Simplify right side
    398,657.03x = 141,441,003,277.85
  5. Step 5: Solve for x
    x = 141,441,003,277.85/398,657.03
  6. Step 6: Final answer
    x = 354,793.71

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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.