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Finding the Fourth Proportional to 262,804.40, 393,623.40 and 227,812.40

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Solution

The fourth proportional to 262,804.40, 393,623.40 and 227,812.40 is: 341,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,804.40 : 393,623.40 = 227,812.40 : x
  2. Step 2: Convert to fraction form
    262,804.40/393,623.40 = 227,812.40/x
  3. Step 3: Cross multiply
    262,804.40x = 393,623.40 × 227,812.40
  4. Step 4: Simplify right side
    262,804.40x = 89,672,291,450.16
  5. Step 5: Solve for x
    x = 89,672,291,450.16/262,804.40
  6. Step 6: Final answer
    x = 341,213.05

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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.