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Finding the Fourth Proportional to 326,149.55, 489,270.45 and 101,532.65

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Solution

The fourth proportional to 326,149.55, 489,270.45 and 101,532.65 is: 152,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,149.55 : 489,270.45 = 101,532.65 : x
  2. Step 2: Convert to fraction form
    326,149.55/489,270.45 = 101,532.65/x
  3. Step 3: Cross multiply
    326,149.55x = 489,270.45 × 101,532.65
  4. Step 4: Simplify right side
    326,149.55x = 49,676,922,908.84
  5. Step 5: Solve for x
    x = 49,676,922,908.84/326,149.55
  6. Step 6: Final answer
    x = 152,313.33

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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.