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Finding the Fourth Proportional to 372,552.82, 514,108.62 and 211,398.25

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Solution

The fourth proportional to 372,552.82, 514,108.62 and 211,398.25 is: 291,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,552.82 : 514,108.62 = 211,398.25 : x
  2. Step 2: Convert to fraction form
    372,552.82/514,108.62 = 211,398.25/x
  3. Step 3: Cross multiply
    372,552.82x = 514,108.62 × 211,398.25
  4. Step 4: Simplify right side
    372,552.82x = 108,681,662,577.92
  5. Step 5: Solve for x
    x = 108,681,662,577.92/372,552.82
  6. Step 6: Final answer
    x = 291,721.49

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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.