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Finding the Fourth Proportional to 313,360.44, 432,441.90 and 170,120.76

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Solution

The fourth proportional to 313,360.44, 432,441.90 and 170,120.76 is: 234,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,360.44 : 432,441.90 = 170,120.76 : x
  2. Step 2: Convert to fraction form
    313,360.44/432,441.90 = 170,120.76/x
  3. Step 3: Cross multiply
    313,360.44x = 432,441.90 × 170,120.76
  4. Step 4: Simplify right side
    313,360.44x = 73,567,344,683.84
  5. Step 5: Solve for x
    x = 73,567,344,683.84/313,360.44
  6. Step 6: Final answer
    x = 234,769.09

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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.