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Finding the Fourth Proportional to 293,449.26, 440,173.89 and 160,256.85

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Solution

The fourth proportional to 293,449.26, 440,173.89 and 160,256.85 is: 240,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,449.26 : 440,173.89 = 160,256.85 : x
  2. Step 2: Convert to fraction form
    293,449.26/440,173.89 = 160,256.85/x
  3. Step 3: Cross multiply
    293,449.26x = 440,173.89 × 160,256.85
  4. Step 4: Simplify right side
    293,449.26x = 70,540,881,063.65
  5. Step 5: Solve for x
    x = 70,540,881,063.65/293,449.26
  6. Step 6: Final answer
    x = 240,385.28

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1.5x scale

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.