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Finding the Fourth Proportional to 372,662.82, 514,248.66 and 211,521.24

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Solution

The fourth proportional to 372,662.82, 514,248.66 and 211,521.24 is: 291,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,662.82 : 514,248.66 = 211,521.24 : x
  2. Step 2: Convert to fraction form
    372,662.82/514,248.66 = 211,521.24/x
  3. Step 3: Cross multiply
    372,662.82x = 514,248.66 × 211,521.24
  4. Step 4: Simplify right side
    372,662.82x = 108,774,514,231.54
  5. Step 5: Solve for x
    x = 108,774,514,231.54/372,662.82
  6. Step 6: Final answer
    x = 291,884.54

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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.