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Finding the Fourth Proportional to 534,489.54, 737,390.26 and 305,059.56

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Solution

The fourth proportional to 534,489.54, 737,390.26 and 305,059.56 is: 420,865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,489.54 : 737,390.26 = 305,059.56 : x
  2. Step 2: Convert to fraction form
    534,489.54/737,390.26 = 305,059.56/x
  3. Step 3: Cross multiply
    534,489.54x = 737,390.26 × 305,059.56
  4. Step 4: Simplify right side
    534,489.54x = 224,947,948,263.89
  5. Step 5: Solve for x
    x = 224,947,948,263.89/534,489.54
  6. Step 6: Final answer
    x = 420,865.01

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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.