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Finding the Fourth Proportional to 607,800, 911,738.88 and 233,823

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Solution

The fourth proportional to 607,800, 911,738.88 and 233,823 is: 350,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,800 : 911,738.88 = 233,823 : x
  2. Step 2: Convert to fraction form
    607,800/911,738.88 = 233,823/x
  3. Step 3: Cross multiply
    607,800x = 911,738.88 × 233,823
  4. Step 4: Simplify right side
    607,800x = 213,185,520,138.24
  5. Step 5: Solve for x
    x = 213,185,520,138.24/607,800
  6. Step 6: Final answer
    x = 350,749.46

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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.