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Finding the Fourth Proportional to 534,452.76, 737,339.60 and 305,022.80

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Solution

The fourth proportional to 534,452.76, 737,339.60 and 305,022.80 is: 420,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,452.76 : 737,339.60 = 305,022.80 : x
  2. Step 2: Convert to fraction form
    534,452.76/737,339.60 = 305,022.80/x
  3. Step 3: Cross multiply
    534,452.76x = 737,339.60 × 305,022.80
  4. Step 4: Simplify right side
    534,452.76x = 224,905,389,342.88
  5. Step 5: Solve for x
    x = 224,905,389,342.88/534,452.76
  6. Step 6: Final answer
    x = 420,814.35

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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.