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Finding the Fourth Proportional to 534,704.51, 737,843.16 and 308,306.27

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Solution

The fourth proportional to 534,704.51, 737,843.16 and 308,306.27 is: 425,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,704.51 : 737,843.16 = 308,306.27 : x
  2. Step 2: Convert to fraction form
    534,704.51/737,843.16 = 308,306.27/x
  3. Step 3: Cross multiply
    534,704.51x = 737,843.16 × 308,306.27
  4. Step 4: Simplify right side
    534,704.51x = 227,481,670,963.08
  5. Step 5: Solve for x
    x = 227,481,670,963.08/534,704.51
  6. Step 6: Final answer
    x = 425,434.36

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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.