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Finding the Fourth Proportional to 298,352.25, 411,726.12 and 164,216.25

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Solution

The fourth proportional to 298,352.25, 411,726.12 and 164,216.25 is: 226,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,352.25 : 411,726.12 = 164,216.25 : x
  2. Step 2: Convert to fraction form
    298,352.25/411,726.12 = 164,216.25/x
  3. Step 3: Cross multiply
    298,352.25x = 411,726.12 × 164,216.25
  4. Step 4: Simplify right side
    298,352.25x = 67,612,119,453.45
  5. Step 5: Solve for x
    x = 67,612,119,453.45/298,352.25
  6. Step 6: Final answer
    x = 226,618.43

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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.