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Finding the Fourth Proportional to 364,458.31, 503,052.51 and 211,545.77

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Solution

The fourth proportional to 364,458.31, 503,052.51 and 211,545.77 is: 291,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,458.31 : 503,052.51 = 211,545.77 : x
  2. Step 2: Convert to fraction form
    364,458.31/503,052.51 = 211,545.77/x
  3. Step 3: Cross multiply
    364,458.31x = 503,052.51 × 211,545.77
  4. Step 4: Simplify right side
    364,458.31x = 106,418,627,005.39
  5. Step 5: Solve for x
    x = 106,418,627,005.39/364,458.31
  6. Step 6: Final answer
    x = 291,991.22

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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.