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Finding the Fourth Proportional to 326,125.35, 489,188.03 and 326,125.35

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Solution

The fourth proportional to 326,125.35, 489,188.03 and 326,125.35 is: 489,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,125.35 : 489,188.03 = 326,125.35 : x
  2. Step 2: Convert to fraction form
    326,125.35/489,188.03 = 326,125.35/x
  3. Step 3: Cross multiply
    326,125.35x = 489,188.03 × 326,125.35
  4. Step 4: Simplify right side
    326,125.35x = 159,536,615,868.93
  5. Step 5: Solve for x
    x = 159,536,615,868.93/326,125.35
  6. Step 6: Final answer
    x = 489,188.03

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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.