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Finding the Fourth Proportional to 405,025.20, 607,246.20 and 227,586.60

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Solution

The fourth proportional to 405,025.20, 607,246.20 and 227,586.60 is: 341,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,025.20 : 607,246.20 = 227,586.60 : x
  2. Step 2: Convert to fraction form
    405,025.20/607,246.20 = 227,586.60/x
  3. Step 3: Cross multiply
    405,025.20x = 607,246.20 × 227,586.60
  4. Step 4: Simplify right side
    405,025.20x = 138,201,098,020.92
  5. Step 5: Solve for x
    x = 138,201,098,020.92/405,025.20
  6. Step 6: Final answer
    x = 341,216.05

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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.