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Finding the Fourth Proportional to 471,629, 706,998.78 and 234,747.74

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Solution

The fourth proportional to 471,629, 706,998.78 and 234,747.74 is: 351,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,629 : 706,998.78 = 234,747.74 : x
  2. Step 2: Convert to fraction form
    471,629/706,998.78 = 234,747.74/x
  3. Step 3: Cross multiply
    471,629x = 706,998.78 × 234,747.74
  4. Step 4: Simplify right side
    471,629x = 165,966,365,787.76
  5. Step 5: Solve for x
    x = 165,966,365,787.76/471,629
  6. Step 6: Final answer
    x = 351,900.26

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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.