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Finding the Fourth Proportional to 326,575.90, 489,882.09 and 101,967.34

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Solution

The fourth proportional to 326,575.90, 489,882.09 and 101,967.34 is: 152,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,575.90 : 489,882.09 = 101,967.34 : x
  2. Step 2: Convert to fraction form
    326,575.90/489,882.09 = 101,967.34/x
  3. Step 3: Cross multiply
    326,575.90x = 489,882.09 × 101,967.34
  4. Step 4: Simplify right side
    326,575.90x = 49,951,973,630.94
  5. Step 5: Solve for x
    x = 49,951,973,630.94/326,575.90
  6. Step 6: Final answer
    x = 152,956.71

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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.