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Finding the Fourth Proportional to 617,530.99, 926,850.04 and 516,958.55

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Solution

The fourth proportional to 617,530.99, 926,850.04 and 516,958.55 is: 775,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,530.99 : 926,850.04 = 516,958.55 : x
  2. Step 2: Convert to fraction form
    617,530.99/926,850.04 = 516,958.55/x
  3. Step 3: Cross multiply
    617,530.99x = 926,850.04 × 516,958.55
  4. Step 4: Simplify right side
    617,530.99x = 479,143,058,416.31
  5. Step 5: Solve for x
    x = 479,143,058,416.31/617,530.99
  6. Step 6: Final answer
    x = 775,901.24

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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.