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Finding the Fourth Proportional to 326,880.23, 490,367.12 and 158,262.12

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Solution

The fourth proportional to 326,880.23, 490,367.12 and 158,262.12 is: 237,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,880.23 : 490,367.12 = 158,262.12 : x
  2. Step 2: Convert to fraction form
    326,880.23/490,367.12 = 158,262.12/x
  3. Step 3: Cross multiply
    326,880.23x = 490,367.12 × 158,262.12
  4. Step 4: Simplify right side
    326,880.23x = 77,606,539,198.18
  5. Step 5: Solve for x
    x = 77,606,539,198.18/326,880.23
  6. Step 6: Final answer
    x = 237,415.83

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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.