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Finding the Fourth Proportional to 322,225.80, 482,877.90 and 223,614.60

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Solution

The fourth proportional to 322,225.80, 482,877.90 and 223,614.60 is: 335,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,225.80 : 482,877.90 = 223,614.60 : x
  2. Step 2: Convert to fraction form
    322,225.80/482,877.90 = 223,614.60/x
  3. Step 3: Cross multiply
    322,225.80x = 482,877.90 × 223,614.60
  4. Step 4: Simplify right side
    322,225.80x = 107,978,548,457.34
  5. Step 5: Solve for x
    x = 107,978,548,457.34/322,225.80
  6. Step 6: Final answer
    x = 335,102.12

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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.