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Finding the Fourth Proportional to 334,863.88, 462,233.46 and 221,723.08

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Solution

The fourth proportional to 334,863.88, 462,233.46 and 221,723.08 is: 306,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,863.88 : 462,233.46 = 221,723.08 : x
  2. Step 2: Convert to fraction form
    334,863.88/462,233.46 = 221,723.08/x
  3. Step 3: Cross multiply
    334,863.88x = 462,233.46 × 221,723.08
  4. Step 4: Simplify right side
    334,863.88x = 102,487,826,430.26
  5. Step 5: Solve for x
    x = 102,487,826,430.26/334,863.88
  6. Step 6: Final answer
    x = 306,058.17

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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.