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Finding the Fourth Proportional to 297,486.48, 410,379.24 and 189,943.44

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Solution

The fourth proportional to 297,486.48, 410,379.24 and 189,943.44 is: 262,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,486.48 : 410,379.24 = 189,943.44 : x
  2. Step 2: Convert to fraction form
    297,486.48/410,379.24 = 189,943.44/x
  3. Step 3: Cross multiply
    297,486.48x = 410,379.24 × 189,943.44
  4. Step 4: Simplify right side
    297,486.48x = 77,948,844,550.19
  5. Step 5: Solve for x
    x = 77,948,844,550.19/297,486.48
  6. Step 6: Final answer
    x = 262,024.83

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1.5x scale

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.