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Finding the Fourth Proportional to 375,544.74, 518,249.55 and 203,466.11

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Solution

The fourth proportional to 375,544.74, 518,249.55 and 203,466.11 is: 280,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,544.74 : 518,249.55 = 203,466.11 : x
  2. Step 2: Convert to fraction form
    375,544.74/518,249.55 = 203,466.11/x
  3. Step 3: Cross multiply
    375,544.74x = 518,249.55 × 203,466.11
  4. Step 4: Simplify right side
    375,544.74x = 105,446,217,356.50
  5. Step 5: Solve for x
    x = 105,446,217,356.50/375,544.74
  6. Step 6: Final answer
    x = 280,782.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.