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Finding the Fourth Proportional to 663,054.43, 994,588.60 and 530,775.56

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Solution

The fourth proportional to 663,054.43, 994,588.60 and 530,775.56 is: 796,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,054.43 : 994,588.60 = 530,775.56 : x
  2. Step 2: Convert to fraction form
    663,054.43/994,588.60 = 530,775.56/x
  3. Step 3: Cross multiply
    663,054.43x = 994,588.60 × 530,775.56
  4. Step 4: Simplify right side
    663,054.43x = 527,903,318,999.27
  5. Step 5: Solve for x
    x = 527,903,318,999.27/663,054.43
  6. Step 6: Final answer
    x = 796,168.90

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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.