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Finding the Fourth Proportional to 376,785.36, 565,256.16 and 110,554.56

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Solution

The fourth proportional to 376,785.36, 565,256.16 and 110,554.56 is: 165,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,785.36 : 565,256.16 = 110,554.56 : x
  2. Step 2: Convert to fraction form
    376,785.36/565,256.16 = 110,554.56/x
  3. Step 3: Cross multiply
    376,785.36x = 565,256.16 × 110,554.56
  4. Step 4: Simplify right side
    376,785.36x = 62,491,646,056.09
  5. Step 5: Solve for x
    x = 62,491,646,056.09/376,785.36
  6. Step 6: Final answer
    x = 165,854.76

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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.