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Finding the Fourth Proportional to 248,663.40, 372,557.70 and 204,048.60

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Solution

The fourth proportional to 248,663.40, 372,557.70 and 204,048.60 is: 305,713.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,663.40 : 372,557.70 = 204,048.60 : x
  2. Step 2: Convert to fraction form
    248,663.40/372,557.70 = 204,048.60/x
  3. Step 3: Cross multiply
    248,663.40x = 372,557.70 × 204,048.60
  4. Step 4: Simplify right side
    248,663.40x = 76,019,877,104.22
  5. Step 5: Solve for x
    x = 76,019,877,104.22/248,663.40
  6. Step 6: Final answer
    x = 305,713.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.