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Finding the Fourth Proportional to 375,344.43, 517,975.59 and 203,263.75

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Solution

The fourth proportional to 375,344.43, 517,975.59 and 203,263.75 is: 280,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,344.43 : 517,975.59 = 203,263.75 : x
  2. Step 2: Convert to fraction form
    375,344.43/517,975.59 = 203,263.75/x
  3. Step 3: Cross multiply
    375,344.43x = 517,975.59 × 203,263.75
  4. Step 4: Simplify right side
    375,344.43x = 105,285,660,831.86
  5. Step 5: Solve for x
    x = 105,285,660,831.86/375,344.43
  6. Step 6: Final answer
    x = 280,504.12

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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.