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Finding the Fourth Proportional to 373,272.30, 559,908.45 and 136,622.70

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Solution

The fourth proportional to 373,272.30, 559,908.45 and 136,622.70 is: 204,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,272.30 : 559,908.45 = 136,622.70 : x
  2. Step 2: Convert to fraction form
    373,272.30/559,908.45 = 136,622.70/x
  3. Step 3: Cross multiply
    373,272.30x = 559,908.45 × 136,622.70
  4. Step 4: Simplify right side
    373,272.30x = 76,496,204,191.82
  5. Step 5: Solve for x
    x = 76,496,204,191.82/373,272.30
  6. Step 6: Final answer
    x = 204,934.05

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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.