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Finding the Fourth Proportional to 326,600.69, 489,853.50 and 101,908.85

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Solution

The fourth proportional to 326,600.69, 489,853.50 and 101,908.85 is: 152,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,600.69 : 489,853.50 = 101,908.85 : x
  2. Step 2: Convert to fraction form
    326,600.69/489,853.50 = 101,908.85/x
  3. Step 3: Cross multiply
    326,600.69x = 489,853.50 × 101,908.85
  4. Step 4: Simplify right side
    326,600.69x = 49,920,404,022.05
  5. Step 5: Solve for x
    x = 49,920,404,022.05/326,600.69
  6. Step 6: Final answer
    x = 152,848.44

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1.5x scale

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.