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Finding the Fourth Proportional to 240,628.20, 360,942.30 and 224,881.80

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Solution

The fourth proportional to 240,628.20, 360,942.30 and 224,881.80 is: 337,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,628.20 : 360,942.30 = 224,881.80 : x
  2. Step 2: Convert to fraction form
    240,628.20/360,942.30 = 224,881.80/x
  3. Step 3: Cross multiply
    240,628.20x = 360,942.30 × 224,881.80
  4. Step 4: Simplify right side
    240,628.20x = 81,169,354,120.14
  5. Step 5: Solve for x
    x = 81,169,354,120.14/240,628.20
  6. Step 6: Final answer
    x = 337,322.70

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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.