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Finding the Fourth Proportional to 326,033.70, 489,050.55 and 323,960.10

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Solution

The fourth proportional to 326,033.70, 489,050.55 and 323,960.10 is: 485,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,033.70 : 489,050.55 = 323,960.10 : x
  2. Step 2: Convert to fraction form
    326,033.70/489,050.55 = 323,960.10/x
  3. Step 3: Cross multiply
    326,033.70x = 489,050.55 × 323,960.10
  4. Step 4: Simplify right side
    326,033.70x = 158,432,865,083.06
  5. Step 5: Solve for x
    x = 158,432,865,083.06/326,033.70
  6. Step 6: Final answer
    x = 485,940.15

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Similar ratio
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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.