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Finding the Fourth Proportional to 405,487.52, 559,562.88 and 224,194.84

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Solution

The fourth proportional to 405,487.52, 559,562.88 and 224,194.84 is: 309,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,487.52 : 559,562.88 = 224,194.84 : x
  2. Step 2: Convert to fraction form
    405,487.52/559,562.88 = 224,194.84/x
  3. Step 3: Cross multiply
    405,487.52x = 559,562.88 × 224,194.84
  4. Step 4: Simplify right side
    405,487.52x = 125,451,109,793.36
  5. Step 5: Solve for x
    x = 125,451,109,793.36/405,487.52
  6. Step 6: Final answer
    x = 309,383.41

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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.