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Finding the Fourth Proportional to 449,092.44, 619,749.90 and 247,888.44

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Solution

The fourth proportional to 449,092.44, 619,749.90 and 247,888.44 is: 342,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,092.44 : 619,749.90 = 247,888.44 : x
  2. Step 2: Convert to fraction form
    449,092.44/619,749.90 = 247,888.44/x
  3. Step 3: Cross multiply
    449,092.44x = 619,749.90 × 247,888.44
  4. Step 4: Simplify right side
    449,092.44x = 153,628,835,901.16
  5. Step 5: Solve for x
    x = 153,628,835,901.16/449,092.44
  6. Step 6: Final answer
    x = 342,087.33

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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.