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Finding the Fourth Proportional to 375,048.60, 517,541.10 and 213,910.52

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Solution

The fourth proportional to 375,048.60, 517,541.10 and 213,910.52 is: 295,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,048.60 : 517,541.10 = 213,910.52 : x
  2. Step 2: Convert to fraction form
    375,048.60/517,541.10 = 213,910.52/x
  3. Step 3: Cross multiply
    375,048.60x = 517,541.10 × 213,910.52
  4. Step 4: Simplify right side
    375,048.60x = 110,707,485,822.37
  5. Step 5: Solve for x
    x = 110,707,485,822.37/375,048.60
  6. Step 6: Final answer
    x = 295,181.71

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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.