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Finding the Fourth Proportional to 373,338.32, 559,832.34 and 136,515.40

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Solution

The fourth proportional to 373,338.32, 559,832.34 and 136,515.40 is: 204,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,338.32 : 559,832.34 = 136,515.40 : x
  2. Step 2: Convert to fraction form
    373,338.32/559,832.34 = 136,515.40/x
  3. Step 3: Cross multiply
    373,338.32x = 559,832.34 × 136,515.40
  4. Step 4: Simplify right side
    373,338.32x = 76,425,735,828.04
  5. Step 5: Solve for x
    x = 76,425,735,828.04/373,338.32
  6. Step 6: Final answer
    x = 204,709.06

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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.