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Finding the Fourth Proportional to 669,177, 923,470.74 and 367,377.48

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Solution

The fourth proportional to 669,177, 923,470.74 and 367,377.48 is: 506,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,177 : 923,470.74 = 367,377.48 : x
  2. Step 2: Convert to fraction form
    669,177/923,470.74 = 367,377.48/x
  3. Step 3: Cross multiply
    669,177x = 923,470.74 × 367,377.48
  4. Step 4: Simplify right side
    669,177x = 339,262,353,314.94
  5. Step 5: Solve for x
    x = 339,262,353,314.94/669,177
  6. Step 6: Final answer
    x = 506,984.48

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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.