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Finding the Fourth Proportional to 599,763.56, 899,691.81 and 200,405.75

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Solution

The fourth proportional to 599,763.56, 899,691.81 and 200,405.75 is: 300,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,763.56 : 899,691.81 = 200,405.75 : x
  2. Step 2: Convert to fraction form
    599,763.56/899,691.81 = 200,405.75/x
  3. Step 3: Cross multiply
    599,763.56x = 899,691.81 × 200,405.75
  4. Step 4: Simplify right side
    599,763.56x = 180,303,406,701.93
  5. Step 5: Solve for x
    x = 180,303,406,701.93/599,763.56
  6. Step 6: Final answer
    x = 300,624.15

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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.