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Finding the Fourth Proportional to 382,392.10, 573,588.15 and 133,074.10

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Solution

The fourth proportional to 382,392.10, 573,588.15 and 133,074.10 is: 199,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,392.10 : 573,588.15 = 133,074.10 : x
  2. Step 2: Convert to fraction form
    382,392.10/573,588.15 = 133,074.10/x
  3. Step 3: Cross multiply
    382,392.10x = 573,588.15 × 133,074.10
  4. Step 4: Simplify right side
    382,392.10x = 76,329,726,831.92
  5. Step 5: Solve for x
    x = 76,329,726,831.92/382,392.10
  6. Step 6: Final answer
    x = 199,611.15

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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.