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Finding the Fourth Proportional to 672,003.90, 967,561.20 and 672,003.90

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Solution

The fourth proportional to 672,003.90, 967,561.20 and 672,003.90 is: 967,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,003.90 : 967,561.20 = 672,003.90 : x
  2. Step 2: Convert to fraction form
    672,003.90/967,561.20 = 672,003.90/x
  3. Step 3: Cross multiply
    672,003.90x = 967,561.20 × 672,003.90
  4. Step 4: Simplify right side
    672,003.90x = 650,204,899,888.68
  5. Step 5: Solve for x
    x = 650,204,899,888.68/672,003.90
  6. Step 6: Final answer
    x = 967,561.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.