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Finding the Fourth Proportional to 505,872.20, 758,808.30 and 482,544.20

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Solution

The fourth proportional to 505,872.20, 758,808.30 and 482,544.20 is: 723,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,872.20 : 758,808.30 = 482,544.20 : x
  2. Step 2: Convert to fraction form
    505,872.20/758,808.30 = 482,544.20/x
  3. Step 3: Cross multiply
    505,872.20x = 758,808.30 × 482,544.20
  4. Step 4: Simplify right side
    505,872.20x = 366,158,544,076.86
  5. Step 5: Solve for x
    x = 366,158,544,076.86/505,872.20
  6. Step 6: Final answer
    x = 723,816.30

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Double scale
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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.