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Finding the Fourth Proportional to 425,297.96, 586,912.64 and 234,310.89

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Solution

The fourth proportional to 425,297.96, 586,912.64 and 234,310.89 is: 323,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,297.96 : 586,912.64 = 234,310.89 : x
  2. Step 2: Convert to fraction form
    425,297.96/586,912.64 = 234,310.89/x
  3. Step 3: Cross multiply
    425,297.96x = 586,912.64 × 234,310.89
  4. Step 4: Simplify right side
    425,297.96x = 137,520,021,859.10
  5. Step 5: Solve for x
    x = 137,520,021,859.10/425,297.96
  6. Step 6: Final answer
    x = 323,349.83

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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.