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Finding the Fourth Proportional to 534,609.44, 737,754.78 and 289,589.58

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Solution

The fourth proportional to 534,609.44, 737,754.78 and 289,589.58 is: 399,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,609.44 : 737,754.78 = 289,589.58 : x
  2. Step 2: Convert to fraction form
    534,609.44/737,754.78 = 289,589.58/x
  3. Step 3: Cross multiply
    534,609.44x = 737,754.78 × 289,589.58
  4. Step 4: Simplify right side
    534,609.44x = 213,646,096,883.19
  5. Step 5: Solve for x
    x = 213,646,096,883.19/534,609.44
  6. Step 6: Final answer
    x = 399,630.24

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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.