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Finding the Fourth Proportional to 4,514,993.22, 6,772,502.96 and 1,920,629.56

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Solution

The fourth proportional to 4,514,993.22, 6,772,502.96 and 1,920,629.56 is: 2,880,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,514,993.22 : 6,772,502.96 = 1,920,629.56 : x
  2. Step 2: Convert to fraction form
    4,514,993.22/6,772,502.96 = 1,920,629.56/x
  3. Step 3: Cross multiply
    4,514,993.22x = 6,772,502.96 × 1,920,629.56
  4. Step 4: Simplify right side
    4,514,993.22x = 13,007,469,403,381.10
  5. Step 5: Solve for x
    x = 13,007,469,403,381.10/4,514,993.22
  6. Step 6: Final answer
    x = 2,880,949.93

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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.