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Finding the Fourth Proportional to 379,012.69, 568,816.16 and 264,415.26

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Solution

The fourth proportional to 379,012.69, 568,816.16 and 264,415.26 is: 396,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,012.69 : 568,816.16 = 264,415.26 : x
  2. Step 2: Convert to fraction form
    379,012.69/568,816.16 = 264,415.26/x
  3. Step 3: Cross multiply
    379,012.69x = 568,816.16 × 264,415.26
  4. Step 4: Simplify right side
    379,012.69x = 150,403,672,838.60
  5. Step 5: Solve for x
    x = 150,403,672,838.60/379,012.69
  6. Step 6: Final answer
    x = 396,830.18

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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.