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Finding the Fourth Proportional to 295,531.80, 443,297.70 and 171,115.80

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Solution

The fourth proportional to 295,531.80, 443,297.70 and 171,115.80 is: 256,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,531.80 : 443,297.70 = 171,115.80 : x
  2. Step 2: Convert to fraction form
    295,531.80/443,297.70 = 171,115.80/x
  3. Step 3: Cross multiply
    295,531.80x = 443,297.70 × 171,115.80
  4. Step 4: Simplify right side
    295,531.80x = 75,855,240,573.66
  5. Step 5: Solve for x
    x = 75,855,240,573.66/295,531.80
  6. Step 6: Final answer
    x = 256,673.70

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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.