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Finding the Fourth Proportional to 354,058.71, 488,587.30 and 192,914.97

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Solution

The fourth proportional to 354,058.71, 488,587.30 and 192,914.97 is: 266,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,058.71 : 488,587.30 = 192,914.97 : x
  2. Step 2: Convert to fraction form
    354,058.71/488,587.30 = 192,914.97/x
  3. Step 3: Cross multiply
    354,058.71x = 488,587.30 × 192,914.97
  4. Step 4: Simplify right side
    354,058.71x = 94,255,803,363.82
  5. Step 5: Solve for x
    x = 94,255,803,363.82/354,058.71
  6. Step 6: Final answer
    x = 266,215.18

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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.