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Finding the Fourth Proportional to 555,611.06, 766,727.58 and 326,164.69

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Solution

The fourth proportional to 555,611.06, 766,727.58 and 326,164.69 is: 450,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,611.06 : 766,727.58 = 326,164.69 : x
  2. Step 2: Convert to fraction form
    555,611.06/766,727.58 = 326,164.69/x
  3. Step 3: Cross multiply
    555,611.06x = 766,727.58 × 326,164.69
  4. Step 4: Simplify right side
    555,611.06x = 250,079,465,626.68
  5. Step 5: Solve for x
    x = 250,079,465,626.68/555,611.06
  6. Step 6: Final answer
    x = 450,098.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.