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Finding the Fourth Proportional to 568,115.24, 783,889.80 and 341,775.32

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Solution

The fourth proportional to 568,115.24, 783,889.80 and 341,775.32 is: 471,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,115.24 : 783,889.80 = 341,775.32 : x
  2. Step 2: Convert to fraction form
    568,115.24/783,889.80 = 341,775.32/x
  3. Step 3: Cross multiply
    568,115.24x = 783,889.80 × 341,775.32
  4. Step 4: Simplify right side
    568,115.24x = 267,914,187,239.74
  5. Step 5: Solve for x
    x = 267,914,187,239.74/568,115.24
  6. Step 6: Final answer
    x = 471,584.23

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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.