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Finding the Fourth Proportional to 375,786.50, 518,857.53 and 241,883.78

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Solution

The fourth proportional to 375,786.50, 518,857.53 and 241,883.78 is: 333,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,786.50 : 518,857.53 = 241,883.78 : x
  2. Step 2: Convert to fraction form
    375,786.50/518,857.53 = 241,883.78/x
  3. Step 3: Cross multiply
    375,786.50x = 518,857.53 × 241,883.78
  4. Step 4: Simplify right side
    375,786.50x = 125,503,220,637.86
  5. Step 5: Solve for x
    x = 125,503,220,637.86/375,786.50
  6. Step 6: Final answer
    x = 333,974.80

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1.5x scale

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.