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Finding the Fourth Proportional to 452,713.88, 624,743.07 and 248,777.48

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Solution

The fourth proportional to 452,713.88, 624,743.07 and 248,777.48 is: 343,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,713.88 : 624,743.07 = 248,777.48 : x
  2. Step 2: Convert to fraction form
    452,713.88/624,743.07 = 248,777.48/x
  3. Step 3: Cross multiply
    452,713.88x = 624,743.07 × 248,777.48
  4. Step 4: Simplify right side
    452,713.88x = 155,422,006,602.06
  5. Step 5: Solve for x
    x = 155,422,006,602.06/452,713.88
  6. Step 6: Final answer
    x = 343,311.78

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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.