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Finding the Fourth Proportional to 563,053.38, 843,989.58 and 263,281.32

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Solution

The fourth proportional to 563,053.38, 843,989.58 and 263,281.32 is: 394,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,053.38 : 843,989.58 = 263,281.32 : x
  2. Step 2: Convert to fraction form
    563,053.38/843,989.58 = 263,281.32/x
  3. Step 3: Cross multiply
    563,053.38x = 843,989.58 × 263,281.32
  4. Step 4: Simplify right side
    563,053.38x = 222,206,690,688.65
  5. Step 5: Solve for x
    x = 222,206,690,688.65/563,053.38
  6. Step 6: Final answer
    x = 394,645.87

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Double scale
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Similar ratio
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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.