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Finding the Fourth Proportional to 663,068.81, 994,610.19 and 530,789.96

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Solution

The fourth proportional to 663,068.81, 994,610.19 and 530,789.96 is: 796,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,068.81 : 994,610.19 = 530,789.96 : x
  2. Step 2: Convert to fraction form
    663,068.81/994,610.19 = 530,789.96/x
  3. Step 3: Cross multiply
    663,068.81x = 994,610.19 × 530,789.96
  4. Step 4: Simplify right side
    663,068.81x = 527,929,102,965.69
  5. Step 5: Solve for x
    x = 527,929,102,965.69/663,068.81
  6. Step 6: Final answer
    x = 796,190.52

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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.