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Finding the Fourth Proportional to 403,579, 603,873.84 and 252,616.60

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Solution

The fourth proportional to 403,579, 603,873.84 and 252,616.60 is: 377,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,579 : 603,873.84 = 252,616.60 : x
  2. Step 2: Convert to fraction form
    403,579/603,873.84 = 252,616.60/x
  3. Step 3: Cross multiply
    403,579x = 603,873.84 × 252,616.60
  4. Step 4: Simplify right side
    403,579x = 152,548,556,289.74
  5. Step 5: Solve for x
    x = 152,548,556,289.74/403,579
  6. Step 6: Final answer
    x = 377,989.33

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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.