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Finding the Fourth Proportional to 313,763.36, 432,996.80 and 170,523.41

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Solution

The fourth proportional to 313,763.36, 432,996.80 and 170,523.41 is: 235,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,763.36 : 432,996.80 = 170,523.41 : x
  2. Step 2: Convert to fraction form
    313,763.36/432,996.80 = 170,523.41/x
  3. Step 3: Cross multiply
    313,763.36x = 432,996.80 × 170,523.41
  4. Step 4: Simplify right side
    313,763.36x = 73,836,091,084.96
  5. Step 5: Solve for x
    x = 73,836,091,084.96/313,763.36
  6. Step 6: Final answer
    x = 235,324.13

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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.