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Finding the Fourth Proportional to 220,229.94, 330,394.14 and 70,479.24

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Solution

The fourth proportional to 220,229.94, 330,394.14 and 70,479.24 is: 105,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,229.94 : 330,394.14 = 70,479.24 : x
  2. Step 2: Convert to fraction form
    220,229.94/330,394.14 = 70,479.24/x
  3. Step 3: Cross multiply
    220,229.94x = 330,394.14 × 70,479.24
  4. Step 4: Simplify right side
    220,229.94x = 23,285,927,887.65
  5. Step 5: Solve for x
    x = 23,285,927,887.65/220,229.94
  6. Step 6: Final answer
    x = 105,734.61

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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.