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Finding the Fourth Proportional to 262,892.40, 393,755.40 and 227,900.40

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Solution

The fourth proportional to 262,892.40, 393,755.40 and 227,900.40 is: 341,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,892.40 : 393,755.40 = 227,900.40 : x
  2. Step 2: Convert to fraction form
    262,892.40/393,755.40 = 227,900.40/x
  3. Step 3: Cross multiply
    262,892.40x = 393,755.40 × 227,900.40
  4. Step 4: Simplify right side
    262,892.40x = 89,737,013,162.16
  5. Step 5: Solve for x
    x = 89,737,013,162.16/262,892.40
  6. Step 6: Final answer
    x = 341,345.03

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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.