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Finding the Fourth Proportional to 298,012.37, 411,256.24 and 167,190.28

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Solution

The fourth proportional to 298,012.37, 411,256.24 and 167,190.28 is: 230,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,012.37 : 411,256.24 = 167,190.28 : x
  2. Step 2: Convert to fraction form
    298,012.37/411,256.24 = 167,190.28/x
  3. Step 3: Cross multiply
    298,012.37x = 411,256.24 × 167,190.28
  4. Step 4: Simplify right side
    298,012.37x = 68,758,044,471.23
  5. Step 5: Solve for x
    x = 68,758,044,471.23/298,012.37
  6. Step 6: Final answer
    x = 230,722.12

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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.