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Finding the Fourth Proportional to 353,774.60, 488,202.62 and 192,626.72

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Solution

The fourth proportional to 353,774.60, 488,202.62 and 192,626.72 is: 265,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,774.60 : 488,202.62 = 192,626.72 : x
  2. Step 2: Convert to fraction form
    353,774.60/488,202.62 = 192,626.72/x
  3. Step 3: Cross multiply
    353,774.60x = 488,202.62 × 192,626.72
  4. Step 4: Simplify right side
    353,774.60x = 94,040,869,386.01
  5. Step 5: Solve for x
    x = 94,040,869,386.01/353,774.60
  6. Step 6: Final answer
    x = 265,821.43

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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.