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Finding the Fourth Proportional to 350,871.95, 484,203.52 and 189,726.91

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Solution

The fourth proportional to 350,871.95, 484,203.52 and 189,726.91 is: 261,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,871.95 : 484,203.52 = 189,726.91 : x
  2. Step 2: Convert to fraction form
    350,871.95/484,203.52 = 189,726.91/x
  3. Step 3: Cross multiply
    350,871.95x = 484,203.52 × 189,726.91
  4. Step 4: Simplify right side
    350,871.95x = 91,866,436,687.37
  5. Step 5: Solve for x
    x = 91,866,436,687.37/350,871.95
  6. Step 6: Final answer
    x = 261,823.25

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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.