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Finding the Fourth Proportional to 376,556.99, 519,518.74 and 240,670.48

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Solution

The fourth proportional to 376,556.99, 519,518.74 and 240,670.48 is: 332,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,556.99 : 519,518.74 = 240,670.48 : x
  2. Step 2: Convert to fraction form
    376,556.99/519,518.74 = 240,670.48/x
  3. Step 3: Cross multiply
    376,556.99x = 519,518.74 × 240,670.48
  4. Step 4: Simplify right side
    376,556.99x = 125,032,824,524.80
  5. Step 5: Solve for x
    x = 125,032,824,524.80/376,556.99
  6. Step 6: Final answer
    x = 332,042.23

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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.