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Finding the Fourth Proportional to 951,736, 1,427,537.20 and 446,407.80

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Solution

The fourth proportional to 951,736, 1,427,537.20 and 446,407.80 is: 669,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,736 : 1,427,537.20 = 446,407.80 : x
  2. Step 2: Convert to fraction form
    951,736/1,427,537.20 = 446,407.80/x
  3. Step 3: Cross multiply
    951,736x = 1,427,537.20 × 446,407.80
  4. Step 4: Simplify right side
    951,736x = 637,263,740,870.16
  5. Step 5: Solve for x
    x = 637,263,740,870.16/951,736
  6. Step 6: Final answer
    x = 669,580.37

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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.