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Finding the Fourth Proportional to 603,917.20, 905,299.80 and 224,736.40

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Solution

The fourth proportional to 603,917.20, 905,299.80 and 224,736.40 is: 336,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,917.20 : 905,299.80 = 224,736.40 : x
  2. Step 2: Convert to fraction form
    603,917.20/905,299.80 = 224,736.40/x
  3. Step 3: Cross multiply
    603,917.20x = 905,299.80 × 224,736.40
  4. Step 4: Simplify right side
    603,917.20x = 203,453,817,972.72
  5. Step 5: Solve for x
    x = 203,453,817,972.72/603,917.20
  6. Step 6: Final answer
    x = 336,890.25

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1.5x scale

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.