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Finding the Fourth Proportional to 270,578.26, 405,855.24 and 93,086.20

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Solution

The fourth proportional to 270,578.26, 405,855.24 and 93,086.20 is: 139,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,578.26 : 405,855.24 = 93,086.20 : x
  2. Step 2: Convert to fraction form
    270,578.26/405,855.24 = 93,086.20/x
  3. Step 3: Cross multiply
    270,578.26x = 405,855.24 × 93,086.20
  4. Step 4: Simplify right side
    270,578.26x = 37,779,522,041.69
  5. Step 5: Solve for x
    x = 37,779,522,041.69/270,578.26
  6. Step 6: Final answer
    x = 139,625.12

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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.