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Finding the Fourth Proportional to 380,034.36, 569,891.16 and 113,832.72

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Solution

The fourth proportional to 380,034.36, 569,891.16 and 113,832.72 is: 170,701.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,034.36 : 569,891.16 = 113,832.72 : x
  2. Step 2: Convert to fraction form
    380,034.36/569,891.16 = 113,832.72/x
  3. Step 3: Cross multiply
    380,034.36x = 569,891.16 × 113,832.72
  4. Step 4: Simplify right side
    380,034.36x = 64,872,260,846.76
  5. Step 5: Solve for x
    x = 64,872,260,846.76/380,034.36
  6. Step 6: Final answer
    x = 170,701.04

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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.