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Finding the Fourth Proportional to 536,897.10, 803,593.26 and 394,704.72

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Solution

The fourth proportional to 536,897.10, 803,593.26 and 394,704.72 is: 590,768.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,897.10 : 803,593.26 = 394,704.72 : x
  2. Step 2: Convert to fraction form
    536,897.10/803,593.26 = 394,704.72/x
  3. Step 3: Cross multiply
    536,897.10x = 803,593.26 × 394,704.72
  4. Step 4: Simplify right side
    536,897.10x = 317,182,052,682.19
  5. Step 5: Solve for x
    x = 317,182,052,682.19/536,897.10
  6. Step 6: Final answer
    x = 590,768.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.