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Finding the Fourth Proportional to 436,090.70, 654,157.65 and 226,138.70

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Solution

The fourth proportional to 436,090.70, 654,157.65 and 226,138.70 is: 339,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,090.70 : 654,157.65 = 226,138.70 : x
  2. Step 2: Convert to fraction form
    436,090.70/654,157.65 = 226,138.70/x
  3. Step 3: Cross multiply
    436,090.70x = 654,157.65 × 226,138.70
  4. Step 4: Simplify right side
    436,090.70x = 147,930,360,566.06
  5. Step 5: Solve for x
    x = 147,930,360,566.06/436,090.70
  6. Step 6: Final answer
    x = 339,219.25

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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.