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Finding the Fourth Proportional to 264,696.56, 397,012.01 and 156,690.19

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Solution

The fourth proportional to 264,696.56, 397,012.01 and 156,690.19 is: 235,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,696.56 : 397,012.01 = 156,690.19 : x
  2. Step 2: Convert to fraction form
    264,696.56/397,012.01 = 156,690.19/x
  3. Step 3: Cross multiply
    264,696.56x = 397,012.01 × 156,690.19
  4. Step 4: Simplify right side
    264,696.56x = 62,207,885,503.20
  5. Step 5: Solve for x
    x = 62,207,885,503.20/264,696.56
  6. Step 6: Final answer
    x = 235,015.85

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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.