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Finding the Fourth Proportional to 353,188.85, 487,397.99 and 192,044.00

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Solution

The fourth proportional to 353,188.85, 487,397.99 and 192,044.00 is: 265,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,188.85 : 487,397.99 = 192,044.00 : x
  2. Step 2: Convert to fraction form
    353,188.85/487,397.99 = 192,044.00/x
  3. Step 3: Cross multiply
    353,188.85x = 487,397.99 × 192,044.00
  4. Step 4: Simplify right side
    353,188.85x = 93,601,861,290.17
  5. Step 5: Solve for x
    x = 93,601,861,290.17/353,188.85
  6. Step 6: Final answer
    x = 265,019.30

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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.