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Finding the Fourth Proportional to 496,191.22, 684,727.86 and 281,350.42

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Solution

The fourth proportional to 496,191.22, 684,727.86 and 281,350.42 is: 388,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,191.22 : 684,727.86 = 281,350.42 : x
  2. Step 2: Convert to fraction form
    496,191.22/684,727.86 = 281,350.42/x
  3. Step 3: Cross multiply
    496,191.22x = 684,727.86 × 281,350.42
  4. Step 4: Simplify right side
    496,191.22x = 192,648,470,996.70
  5. Step 5: Solve for x
    x = 192,648,470,996.70/496,191.22
  6. Step 6: Final answer
    x = 388,254.49

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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.