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Finding the Fourth Proportional to 433,712.26, 650,174.73 and 321,256.72

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Solution

The fourth proportional to 433,712.26, 650,174.73 and 321,256.72 is: 481,593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,712.26 : 650,174.73 = 321,256.72 : x
  2. Step 2: Convert to fraction form
    433,712.26/650,174.73 = 321,256.72/x
  3. Step 3: Cross multiply
    433,712.26x = 650,174.73 × 321,256.72
  4. Step 4: Simplify right side
    433,712.26x = 208,873,001,186.69
  5. Step 5: Solve for x
    x = 208,873,001,186.69/433,712.26
  6. Step 6: Final answer
    x = 481,593.49

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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.