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Finding the Fourth Proportional to 603,719.60, 905,579.40 and 182,940.80

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Solution

The fourth proportional to 603,719.60, 905,579.40 and 182,940.80 is: 274,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,719.60 : 905,579.40 = 182,940.80 : x
  2. Step 2: Convert to fraction form
    603,719.60/905,579.40 = 182,940.80/x
  3. Step 3: Cross multiply
    603,719.60x = 905,579.40 × 182,940.80
  4. Step 4: Simplify right side
    603,719.60x = 165,667,419,899.52
  5. Step 5: Solve for x
    x = 165,667,419,899.52/603,719.60
  6. Step 6: Final answer
    x = 274,411.20

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1.5x scale

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.