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Finding the Fourth Proportional to 595,489.62, 821,812.42 and 340,834.98

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Solution

The fourth proportional to 595,489.62, 821,812.42 and 340,834.98 is: 470,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,489.62 : 821,812.42 = 340,834.98 : x
  2. Step 2: Convert to fraction form
    595,489.62/821,812.42 = 340,834.98/x
  3. Step 3: Cross multiply
    595,489.62x = 821,812.42 × 340,834.98
  4. Step 4: Simplify right side
    595,489.62x = 280,102,419,734.45
  5. Step 5: Solve for x
    x = 280,102,419,734.45/595,489.62
  6. Step 6: Final answer
    x = 470,373.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.