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Finding the Fourth Proportional to 663,069.81, 994,611.69 and 530,790.96

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Solution

The fourth proportional to 663,069.81, 994,611.69 and 530,790.96 is: 796,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,069.81 : 994,611.69 = 530,790.96 : x
  2. Step 2: Convert to fraction form
    663,069.81/994,611.69 = 530,790.96/x
  3. Step 3: Cross multiply
    663,069.81x = 994,611.69 × 530,790.96
  4. Step 4: Simplify right side
    663,069.81x = 527,930,893,762.32
  5. Step 5: Solve for x
    x = 527,930,893,762.32/663,069.81
  6. Step 6: Final answer
    x = 796,192.02

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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.