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Finding the Fourth Proportional to 469,266.75, 647,584.27 and 254,401.29

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Solution

The fourth proportional to 469,266.75, 647,584.27 and 254,401.29 is: 351,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,266.75 : 647,584.27 = 254,401.29 : x
  2. Step 2: Convert to fraction form
    469,266.75/647,584.27 = 254,401.29/x
  3. Step 3: Cross multiply
    469,266.75x = 647,584.27 × 254,401.29
  4. Step 4: Simplify right side
    469,266.75x = 164,746,273,035.71
  5. Step 5: Solve for x
    x = 164,746,273,035.71/469,266.75
  6. Step 6: Final answer
    x = 351,071.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.