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Finding the Fourth Proportional to 951,737, 1,427,538.70 and 446,408.80

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Solution

The fourth proportional to 951,737, 1,427,538.70 and 446,408.80 is: 669,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,737 : 1,427,538.70 = 446,408.80 : x
  2. Step 2: Convert to fraction form
    951,737/1,427,538.70 = 446,408.80/x
  3. Step 3: Cross multiply
    951,737x = 1,427,538.70 × 446,408.80
  4. Step 4: Simplify right side
    951,737x = 637,265,838,020.56
  5. Step 5: Solve for x
    x = 637,265,838,020.56/951,737
  6. Step 6: Final answer
    x = 669,581.87

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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.