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Finding the Fourth Proportional to 532,847.05, 798,581.61 and 398,674.60

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Solution

The fourth proportional to 532,847.05, 798,581.61 and 398,674.60 is: 597,496.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,847.05 : 798,581.61 = 398,674.60 : x
  2. Step 2: Convert to fraction form
    532,847.05/798,581.61 = 398,674.60/x
  3. Step 3: Cross multiply
    532,847.05x = 798,581.61 × 398,674.60
  4. Step 4: Simplify right side
    532,847.05x = 318,374,203,934.11
  5. Step 5: Solve for x
    x = 318,374,203,934.11/532,847.05
  6. Step 6: Final answer
    x = 597,496.42

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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.