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Finding the Fourth Proportional to 534,855.11, 800,474.31 and 520,462.01

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Solution

The fourth proportional to 534,855.11, 800,474.31 and 520,462.01 is: 778,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,855.11 : 800,474.31 = 520,462.01 : x
  2. Step 2: Convert to fraction form
    534,855.11/800,474.31 = 520,462.01/x
  3. Step 3: Cross multiply
    534,855.11x = 800,474.31 × 520,462.01
  4. Step 4: Simplify right side
    534,855.11x = 416,616,468,335.96
  5. Step 5: Solve for x
    x = 416,616,468,335.96/534,855.11
  6. Step 6: Final answer
    x = 778,933.32

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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.