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Finding the Fourth Proportional to 405,295.56, 559,336.83 and 224,003.59

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Solution

The fourth proportional to 405,295.56, 559,336.83 and 224,003.59 is: 309,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,295.56 : 559,336.83 = 224,003.59 : x
  2. Step 2: Convert to fraction form
    405,295.56/559,336.83 = 224,003.59/x
  3. Step 3: Cross multiply
    405,295.56x = 559,336.83 × 224,003.59
  4. Step 4: Simplify right side
    405,295.56x = 125,293,456,540.88
  5. Step 5: Solve for x
    x = 125,293,456,540.88/405,295.56
  6. Step 6: Final answer
    x = 309,140.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.