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Finding the Fourth Proportional to 609,245.62, 913,325.91 and 289,200.04

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Solution

The fourth proportional to 609,245.62, 913,325.91 and 289,200.04 is: 433,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,245.62 : 913,325.91 = 289,200.04 : x
  2. Step 2: Convert to fraction form
    609,245.62/913,325.91 = 289,200.04/x
  3. Step 3: Cross multiply
    609,245.62x = 913,325.91 × 289,200.04
  4. Step 4: Simplify right side
    609,245.62x = 264,133,889,705.04
  5. Step 5: Solve for x
    x = 264,133,889,705.04/609,245.62
  6. Step 6: Final answer
    x = 433,542.53

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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.