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Finding the Fourth Proportional to 325,992.88, 489,058.44 and 101,347.84

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Solution

The fourth proportional to 325,992.88, 489,058.44 and 101,347.84 is: 152,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,992.88 : 489,058.44 = 101,347.84 : x
  2. Step 2: Convert to fraction form
    325,992.88/489,058.44 = 101,347.84/x
  3. Step 3: Cross multiply
    325,992.88x = 489,058.44 × 101,347.84
  4. Step 4: Simplify right side
    325,992.88x = 49,565,016,527.77
  5. Step 5: Solve for x
    x = 49,565,016,527.77/325,992.88
  6. Step 6: Final answer
    x = 152,043.25

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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.