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Finding the Fourth Proportional to 703,958.36, 971,207.96 and 462,371.90

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Solution

The fourth proportional to 703,958.36, 971,207.96 and 462,371.90 is: 637,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,958.36 : 971,207.96 = 462,371.90 : x
  2. Step 2: Convert to fraction form
    703,958.36/971,207.96 = 462,371.90/x
  3. Step 3: Cross multiply
    703,958.36x = 971,207.96 × 462,371.90
  4. Step 4: Simplify right side
    703,958.36x = 449,059,269,760.32
  5. Step 5: Solve for x
    x = 449,059,269,760.32/703,958.36
  6. Step 6: Final answer
    x = 637,906.01

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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.