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Finding the Fourth Proportional to 578,514.24, 798,379.20 and 323,850.24

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Solution

The fourth proportional to 578,514.24, 798,379.20 and 323,850.24 is: 446,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,514.24 : 798,379.20 = 323,850.24 : x
  2. Step 2: Convert to fraction form
    578,514.24/798,379.20 = 323,850.24/x
  3. Step 3: Cross multiply
    578,514.24x = 798,379.20 × 323,850.24
  4. Step 4: Simplify right side
    578,514.24x = 258,555,295,531.01
  5. Step 5: Solve for x
    x = 258,555,295,531.01/578,514.24
  6. Step 6: Final answer
    x = 446,929.87

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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.