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Finding the Fourth Proportional to 326,863.47, 489,240.57 and 168,874.59

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Solution

The fourth proportional to 326,863.47, 489,240.57 and 168,874.59 is: 252,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,863.47 : 489,240.57 = 168,874.59 : x
  2. Step 2: Convert to fraction form
    326,863.47/489,240.57 = 168,874.59/x
  3. Step 3: Cross multiply
    326,863.47x = 489,240.57 × 168,874.59
  4. Step 4: Simplify right side
    326,863.47x = 82,620,300,670.12
  5. Step 5: Solve for x
    x = 82,620,300,670.12/326,863.47
  6. Step 6: Final answer
    x = 252,767.01

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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.