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Finding the Fourth Proportional to 402,234.92, 603,606.70 and 224,858.36

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Solution

The fourth proportional to 402,234.92, 603,606.70 and 224,858.36 is: 337,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,234.92 : 603,606.70 = 224,858.36 : x
  2. Step 2: Convert to fraction form
    402,234.92/603,606.70 = 224,858.36/x
  3. Step 3: Cross multiply
    402,234.92x = 603,606.70 × 224,858.36
  4. Step 4: Simplify right side
    402,234.92x = 135,726,012,647.01
  5. Step 5: Solve for x
    x = 135,726,012,647.01/402,234.92
  6. Step 6: Final answer
    x = 337,429.71

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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.