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Finding the Fourth Proportional to 625,609.67, 936,899.09 and 432,944.22

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Solution

The fourth proportional to 625,609.67, 936,899.09 and 432,944.22 is: 648,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,609.67 : 936,899.09 = 432,944.22 : x
  2. Step 2: Convert to fraction form
    625,609.67/936,899.09 = 432,944.22/x
  3. Step 3: Cross multiply
    625,609.67x = 936,899.09 × 432,944.22
  4. Step 4: Simplify right side
    625,609.67x = 405,625,043,574.04
  5. Step 5: Solve for x
    x = 405,625,043,574.04/625,609.67
  6. Step 6: Final answer
    x = 648,367.61

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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.