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Finding the Fourth Proportional to 395,092.48, 545,227.61 and 213,804.41

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Solution

The fourth proportional to 395,092.48, 545,227.61 and 213,804.41 is: 295,050.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,092.48 : 545,227.61 = 213,804.41 : x
  2. Step 2: Convert to fraction form
    395,092.48/545,227.61 = 213,804.41/x
  3. Step 3: Cross multiply
    395,092.48x = 545,227.61 × 213,804.41
  4. Step 4: Simplify right side
    395,092.48x = 116,572,064,277.93
  5. Step 5: Solve for x
    x = 116,572,064,277.93/395,092.48
  6. Step 6: Final answer
    x = 295,050.07

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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.