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Finding the Fourth Proportional to 339,793.10, 468,904.46 and 186,831.50

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Solution

The fourth proportional to 339,793.10, 468,904.46 and 186,831.50 is: 257,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,793.10 : 468,904.46 = 186,831.50 : x
  2. Step 2: Convert to fraction form
    339,793.10/468,904.46 = 186,831.50/x
  3. Step 3: Cross multiply
    339,793.10x = 468,904.46 × 186,831.50
  4. Step 4: Simplify right side
    339,793.10x = 87,606,123,618.49
  5. Step 5: Solve for x
    x = 87,606,123,618.49/339,793.10
  6. Step 6: Final answer
    x = 257,821.96

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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.