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Finding the Fourth Proportional to 228,314.40, 342,471.60 and 227,002.20

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Solution

The fourth proportional to 228,314.40, 342,471.60 and 227,002.20 is: 340,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,314.40 : 342,471.60 = 227,002.20 : x
  2. Step 2: Convert to fraction form
    228,314.40/342,471.60 = 227,002.20/x
  3. Step 3: Cross multiply
    228,314.40x = 342,471.60 × 227,002.20
  4. Step 4: Simplify right side
    228,314.40x = 77,741,806,637.52
  5. Step 5: Solve for x
    x = 77,741,806,637.52/228,314.40
  6. Step 6: Final answer
    x = 340,503.30

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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.