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Finding the Fourth Proportional to 883,228.80, 1,324,940.40 and 322,384.80

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Solution

The fourth proportional to 883,228.80, 1,324,940.40 and 322,384.80 is: 483,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,228.80 : 1,324,940.40 = 322,384.80 : x
  2. Step 2: Convert to fraction form
    883,228.80/1,324,940.40 = 322,384.80/x
  3. Step 3: Cross multiply
    883,228.80x = 1,324,940.40 × 322,384.80
  4. Step 4: Simplify right side
    883,228.80x = 427,140,645,865.92
  5. Step 5: Solve for x
    x = 427,140,645,865.92/883,228.80
  6. Step 6: Final answer
    x = 483,612.68

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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.