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Finding the Fourth Proportional to 672,398.92, 1,008,672.12 and 335,524.30

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Solution

The fourth proportional to 672,398.92, 1,008,672.12 and 335,524.30 is: 503,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,398.92 : 1,008,672.12 = 335,524.30 : x
  2. Step 2: Convert to fraction form
    672,398.92/1,008,672.12 = 335,524.30/x
  3. Step 3: Cross multiply
    672,398.92x = 1,008,672.12 × 335,524.30
  4. Step 4: Simplify right side
    672,398.92x = 338,434,006,992.52
  5. Step 5: Solve for x
    x = 338,434,006,992.52/672,398.92
  6. Step 6: Final answer
    x = 503,323.25

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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.