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Finding the Fourth Proportional to 661,857.63, 990,778.96 and 598,704.36

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Solution

The fourth proportional to 661,857.63, 990,778.96 and 598,704.36 is: 896,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,857.63 : 990,778.96 = 598,704.36 : x
  2. Step 2: Convert to fraction form
    661,857.63/990,778.96 = 598,704.36/x
  3. Step 3: Cross multiply
    661,857.63x = 990,778.96 × 598,704.36
  4. Step 4: Simplify right side
    661,857.63x = 593,183,683,148.27
  5. Step 5: Solve for x
    x = 593,183,683,148.27/661,857.63
  6. Step 6: Final answer
    x = 896,240.61

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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.