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Finding the Fourth Proportional to 313,880.82, 433,160.46 and 170,641.41

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Solution

The fourth proportional to 313,880.82, 433,160.46 and 170,641.41 is: 235,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,880.82 : 433,160.46 = 170,641.41 : x
  2. Step 2: Convert to fraction form
    313,880.82/433,160.46 = 170,641.41/x
  3. Step 3: Cross multiply
    313,880.82x = 433,160.46 × 170,641.41
  4. Step 4: Simplify right side
    313,880.82x = 73,915,111,650.65
  5. Step 5: Solve for x
    x = 73,915,111,650.65/313,880.82
  6. Step 6: Final answer
    x = 235,487.83

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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.