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Finding the Fourth Proportional to 219,726.40, 329,589.60 and 219,726.40

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Solution

The fourth proportional to 219,726.40, 329,589.60 and 219,726.40 is: 329,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,726.40 : 329,589.60 = 219,726.40 : x
  2. Step 2: Convert to fraction form
    219,726.40/329,589.60 = 219,726.40/x
  3. Step 3: Cross multiply
    219,726.40x = 329,589.60 × 219,726.40
  4. Step 4: Simplify right side
    219,726.40x = 72,419,536,285.44
  5. Step 5: Solve for x
    x = 72,419,536,285.44/219,726.40
  6. Step 6: Final answer
    x = 329,589.60

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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.