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Finding the Fourth Proportional to 556,471.20, 834,911.60 and 224,080.80

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Solution

The fourth proportional to 556,471.20, 834,911.60 and 224,080.80 is: 336,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,471.20 : 834,911.60 = 224,080.80 : x
  2. Step 2: Convert to fraction form
    556,471.20/834,911.60 = 224,080.80/x
  3. Step 3: Cross multiply
    556,471.20x = 834,911.60 × 224,080.80
  4. Step 4: Simplify right side
    556,471.20x = 187,087,659,257.28
  5. Step 5: Solve for x
    x = 187,087,659,257.28/556,471.20
  6. Step 6: Final answer
    x = 336,203.67

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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.