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Finding the Fourth Proportional to 353,608.17, 487,989.60 and 192,473.64

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Solution

The fourth proportional to 353,608.17, 487,989.60 and 192,473.64 is: 265,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,608.17 : 487,989.60 = 192,473.64 : x
  2. Step 2: Convert to fraction form
    353,608.17/487,989.60 = 192,473.64/x
  3. Step 3: Cross multiply
    353,608.17x = 487,989.60 × 192,473.64
  4. Step 4: Simplify right side
    353,608.17x = 93,925,134,594.14
  5. Step 5: Solve for x
    x = 93,925,134,594.14/353,608.17
  6. Step 6: Final answer
    x = 265,619.24

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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.