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Finding the Fourth Proportional to 293,589.28, 405,155.28 and 159,453.28

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Solution

The fourth proportional to 293,589.28, 405,155.28 and 159,453.28 is: 220,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,589.28 : 405,155.28 = 159,453.28 : x
  2. Step 2: Convert to fraction form
    293,589.28/405,155.28 = 159,453.28/x
  3. Step 3: Cross multiply
    293,589.28x = 405,155.28 × 159,453.28
  4. Step 4: Simplify right side
    293,589.28x = 64,603,338,305.32
  5. Step 5: Solve for x
    x = 64,603,338,305.32/293,589.28
  6. Step 6: Final answer
    x = 220,046.65

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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.