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Finding the Fourth Proportional to 397,050.98, 595,599.18 and 112,719.29

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Solution

The fourth proportional to 397,050.98, 595,599.18 and 112,719.29 is: 169,085.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,050.98 : 595,599.18 = 112,719.29 : x
  2. Step 2: Convert to fraction form
    397,050.98/595,599.18 = 112,719.29/x
  3. Step 3: Cross multiply
    397,050.98x = 595,599.18 × 112,719.29
  4. Step 4: Simplify right side
    397,050.98x = 67,135,516,694.18
  5. Step 5: Solve for x
    x = 67,135,516,694.18/397,050.98
  6. Step 6: Final answer
    x = 169,085.38

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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.