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Finding the Fourth Proportional to 353,195.08, 487,411.50 and 192,051.88

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Solution

The fourth proportional to 353,195.08, 487,411.50 and 192,051.88 is: 265,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,195.08 : 487,411.50 = 192,051.88 : x
  2. Step 2: Convert to fraction form
    353,195.08/487,411.50 = 192,051.88/x
  3. Step 3: Cross multiply
    353,195.08x = 487,411.50 × 192,051.88
  4. Step 4: Simplify right side
    353,195.08x = 93,608,294,908.62
  5. Step 5: Solve for x
    x = 93,608,294,908.62/353,195.08
  6. Step 6: Final answer
    x = 265,032.84

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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.