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Finding the Fourth Proportional to 344,473.20, 475,604.97 and 308,061.66

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Solution

The fourth proportional to 344,473.20, 475,604.97 and 308,061.66 is: 425,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,473.20 : 475,604.97 = 308,061.66 : x
  2. Step 2: Convert to fraction form
    344,473.20/475,604.97 = 308,061.66/x
  3. Step 3: Cross multiply
    344,473.20x = 475,604.97 × 308,061.66
  4. Step 4: Simplify right side
    344,473.20x = 146,515,656,562.45
  5. Step 5: Solve for x
    x = 146,515,656,562.45/344,473.20
  6. Step 6: Final answer
    x = 425,332.53

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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.