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Finding the Fourth Proportional to 237,223.80, 355,835.70 and 226,985.40

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Solution

The fourth proportional to 237,223.80, 355,835.70 and 226,985.40 is: 340,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,223.80 : 355,835.70 = 226,985.40 : x
  2. Step 2: Convert to fraction form
    237,223.80/355,835.70 = 226,985.40/x
  3. Step 3: Cross multiply
    237,223.80x = 355,835.70 × 226,985.40
  4. Step 4: Simplify right side
    237,223.80x = 80,769,508,698.78
  5. Step 5: Solve for x
    x = 80,769,508,698.78/237,223.80
  6. Step 6: Final answer
    x = 340,478.10

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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.