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Finding the Fourth Proportional to 313,466.90, 432,580.51 and 170,227.97

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Solution

The fourth proportional to 313,466.90, 432,580.51 and 170,227.97 is: 234,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,466.90 : 432,580.51 = 170,227.97 : x
  2. Step 2: Convert to fraction form
    313,466.90/432,580.51 = 170,227.97/x
  3. Step 3: Cross multiply
    313,466.90x = 432,580.51 × 170,227.97
  4. Step 4: Simplify right side
    313,466.90x = 73,637,301,750.92
  5. Step 5: Solve for x
    x = 73,637,301,750.92/313,466.90
  6. Step 6: Final answer
    x = 234,912.53

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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.