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Finding the Fourth Proportional to 330,976.26, 495,990.76 and 188,527.47

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Solution

The fourth proportional to 330,976.26, 495,990.76 and 188,527.47 is: 282,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,976.26 : 495,990.76 = 188,527.47 : x
  2. Step 2: Convert to fraction form
    330,976.26/495,990.76 = 188,527.47/x
  3. Step 3: Cross multiply
    330,976.26x = 495,990.76 × 188,527.47
  4. Step 4: Simplify right side
    330,976.26x = 93,507,883,126.18
  5. Step 5: Solve for x
    x = 93,507,883,126.18/330,976.26
  6. Step 6: Final answer
    x = 282,521.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.