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Finding the Fourth Proportional to 375,788, 518,859.60 and 241,885.28

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Solution

The fourth proportional to 375,788, 518,859.60 and 241,885.28 is: 333,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,788 : 518,859.60 = 241,885.28 : x
  2. Step 2: Convert to fraction form
    375,788/518,859.60 = 241,885.28/x
  3. Step 3: Cross multiply
    375,788x = 518,859.60 × 241,885.28
  4. Step 4: Simplify right side
    375,788x = 125,504,499,626.69
  5. Step 5: Solve for x
    x = 125,504,499,626.69/375,788
  6. Step 6: Final answer
    x = 333,976.87

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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.