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Finding the Fourth Proportional to 883,009.80, 1,324,611.90 and 322,165.80

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Solution

The fourth proportional to 883,009.80, 1,324,611.90 and 322,165.80 is: 483,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,009.80 : 1,324,611.90 = 322,165.80 : x
  2. Step 2: Convert to fraction form
    883,009.80/1,324,611.90 = 322,165.80/x
  3. Step 3: Cross multiply
    883,009.80x = 1,324,611.90 × 322,165.80
  4. Step 4: Simplify right side
    883,009.80x = 426,744,652,453.02
  5. Step 5: Solve for x
    x = 426,744,652,453.02/883,009.80
  6. Step 6: Final answer
    x = 483,284.16

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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.