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Finding the Fourth Proportional to 354,736, 489,546.01 and 193,601.35

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Solution

The fourth proportional to 354,736, 489,546.01 and 193,601.35 is: 267,175.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,736 : 489,546.01 = 193,601.35 : x
  2. Step 2: Convert to fraction form
    354,736/489,546.01 = 193,601.35/x
  3. Step 3: Cross multiply
    354,736x = 489,546.01 × 193,601.35
  4. Step 4: Simplify right side
    354,736x = 94,776,768,423.11
  5. Step 5: Solve for x
    x = 94,776,768,423.11/354,736
  6. Step 6: Final answer
    x = 267,175.50

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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.