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Finding the Fourth Proportional to 322,663.64, 483,679.54 and 180,578.30

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Solution

The fourth proportional to 322,663.64, 483,679.54 and 180,578.30 is: 270,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,663.64 : 483,679.54 = 180,578.30 : x
  2. Step 2: Convert to fraction form
    322,663.64/483,679.54 = 180,578.30/x
  3. Step 3: Cross multiply
    322,663.64x = 483,679.54 × 180,578.30
  4. Step 4: Simplify right side
    322,663.64x = 87,342,029,077.98
  5. Step 5: Solve for x
    x = 87,342,029,077.98/322,663.64
  6. Step 6: Final answer
    x = 270,690.65

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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.