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Finding the Fourth Proportional to 228,923.60, 343,385.40 and 225,035.60

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Solution

The fourth proportional to 228,923.60, 343,385.40 and 225,035.60 is: 337,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,923.60 : 343,385.40 = 225,035.60 : x
  2. Step 2: Convert to fraction form
    228,923.60/343,385.40 = 225,035.60/x
  3. Step 3: Cross multiply
    228,923.60x = 343,385.40 × 225,035.60
  4. Step 4: Simplify right side
    228,923.60x = 77,273,939,520.24
  5. Step 5: Solve for x
    x = 77,273,939,520.24/228,923.60
  6. Step 6: Final answer
    x = 337,553.40

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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.