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Finding the Fourth Proportional to 226,373.50, 312,657.87 and 150,790.78

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Solution

The fourth proportional to 226,373.50, 312,657.87 and 150,790.78 is: 208,266.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,373.50 : 312,657.87 = 150,790.78 : x
  2. Step 2: Convert to fraction form
    226,373.50/312,657.87 = 150,790.78/x
  3. Step 3: Cross multiply
    226,373.50x = 312,657.87 × 150,790.78
  4. Step 4: Simplify right side
    226,373.50x = 47,145,924,090.44
  5. Step 5: Solve for x
    x = 47,145,924,090.44/226,373.50
  6. Step 6: Final answer
    x = 208,266.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.