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Finding the Fourth Proportional to 375,028.65, 517,410.86 and 213,767.37

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Solution

The fourth proportional to 375,028.65, 517,410.86 and 213,767.37 is: 294,925.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,028.65 : 517,410.86 = 213,767.37 : x
  2. Step 2: Convert to fraction form
    375,028.65/517,410.86 = 213,767.37/x
  3. Step 3: Cross multiply
    375,028.65x = 517,410.86 × 213,767.37
  4. Step 4: Simplify right side
    375,028.65x = 110,605,557,682.80
  5. Step 5: Solve for x
    x = 110,605,557,682.80/375,028.65
  6. Step 6: Final answer
    x = 294,925.62

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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.