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Finding the Fourth Proportional to 603,807.60, 905,682.60 and 204,409.20

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Solution

The fourth proportional to 603,807.60, 905,682.60 and 204,409.20 is: 306,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,807.60 : 905,682.60 = 204,409.20 : x
  2. Step 2: Convert to fraction form
    603,807.60/905,682.60 = 204,409.20/x
  3. Step 3: Cross multiply
    603,807.60x = 905,682.60 × 204,409.20
  4. Step 4: Simplify right side
    603,807.60x = 185,129,855,719.92
  5. Step 5: Solve for x
    x = 185,129,855,719.92/603,807.60
  6. Step 6: Final answer
    x = 306,604.05

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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.