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Finding the Fourth Proportional to 313,794.65, 433,039.25 and 170,554.66

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Solution

The fourth proportional to 313,794.65, 433,039.25 and 170,554.66 is: 235,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,794.65 : 433,039.25 = 170,554.66 : x
  2. Step 2: Convert to fraction form
    313,794.65/433,039.25 = 170,554.66/x
  3. Step 3: Cross multiply
    313,794.65x = 433,039.25 × 170,554.66
  4. Step 4: Simplify right side
    313,794.65x = 73,856,862,050.41
  5. Step 5: Solve for x
    x = 73,856,862,050.41/313,794.65
  6. Step 6: Final answer
    x = 235,366.86

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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.