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Finding the Fourth Proportional to 373,412.34, 559,943.34 and 136,589.40

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Solution

The fourth proportional to 373,412.34, 559,943.34 and 136,589.40 is: 204,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,412.34 : 559,943.34 = 136,589.40 : x
  2. Step 2: Convert to fraction form
    373,412.34/559,943.34 = 136,589.40/x
  3. Step 3: Cross multiply
    373,412.34x = 559,943.34 × 136,589.40
  4. Step 4: Simplify right side
    373,412.34x = 76,482,324,844.60
  5. Step 5: Solve for x
    x = 76,482,324,844.60/373,412.34
  6. Step 6: Final answer
    x = 204,820.03

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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.