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Finding the Fourth Proportional to 382,693.20, 573,728.76 and 133,550.16

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Solution

The fourth proportional to 382,693.20, 573,728.76 and 133,550.16 is: 200,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,693.20 : 573,728.76 = 133,550.16 : x
  2. Step 2: Convert to fraction form
    382,693.20/573,728.76 = 133,550.16/x
  3. Step 3: Cross multiply
    382,693.20x = 573,728.76 × 133,550.16
  4. Step 4: Simplify right side
    382,693.20x = 76,621,567,694.60
  5. Step 5: Solve for x
    x = 76,621,567,694.60/382,693.20
  6. Step 6: Final answer
    x = 200,216.69

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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.