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Finding the Fourth Proportional to 375,601.02, 518,333.50 and 205,831.50

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Solution

The fourth proportional to 375,601.02, 518,333.50 and 205,831.50 is: 284,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,601.02 : 518,333.50 = 205,831.50 : x
  2. Step 2: Convert to fraction form
    375,601.02/518,333.50 = 205,831.50/x
  3. Step 3: Cross multiply
    375,601.02x = 518,333.50 × 205,831.50
  4. Step 4: Simplify right side
    375,601.02x = 106,689,361,805.25
  5. Step 5: Solve for x
    x = 106,689,361,805.25/375,601.02
  6. Step 6: Final answer
    x = 284,049.71

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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.