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Finding the Fourth Proportional to 397,157.46, 595,775.17 and 112,861.13

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Solution

The fourth proportional to 397,157.46, 595,775.17 and 112,861.13 is: 169,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,157.46 : 595,775.17 = 112,861.13 : x
  2. Step 2: Convert to fraction form
    397,157.46/595,775.17 = 112,861.13/x
  3. Step 3: Cross multiply
    397,157.46x = 595,775.17 × 112,861.13
  4. Step 4: Simplify right side
    397,157.46x = 67,239,855,368.96
  5. Step 5: Solve for x
    x = 67,239,855,368.96/397,157.46
  6. Step 6: Final answer
    x = 169,302.77

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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.