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Finding the Fourth Proportional to 290,982.70, 436,802.10 and 224,716.60

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Solution

The fourth proportional to 290,982.70, 436,802.10 and 224,716.60 is: 337,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,982.70 : 436,802.10 = 224,716.60 : x
  2. Step 2: Convert to fraction form
    290,982.70/436,802.10 = 224,716.60/x
  3. Step 3: Cross multiply
    290,982.70x = 436,802.10 × 224,716.60
  4. Step 4: Simplify right side
    290,982.70x = 98,156,682,784.86
  5. Step 5: Solve for x
    x = 98,156,682,784.86/290,982.70
  6. Step 6: Final answer
    x = 337,328.24

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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.