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Finding the Fourth Proportional to 364,398.95, 502,848.89 and 211,425.29

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Solution

The fourth proportional to 364,398.95, 502,848.89 and 211,425.29 is: 291,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,398.95 : 502,848.89 = 211,425.29 : x
  2. Step 2: Convert to fraction form
    364,398.95/502,848.89 = 211,425.29/x
  3. Step 3: Cross multiply
    364,398.95x = 502,848.89 × 211,425.29
  4. Step 4: Simplify right side
    364,398.95x = 106,314,972,394.43
  5. Step 5: Solve for x
    x = 106,314,972,394.43/364,398.95
  6. Step 6: Final answer
    x = 291,754.33

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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.