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Finding the Fourth Proportional to 296,495.15, 409,131.87 and 167,425.79

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Solution

The fourth proportional to 296,495.15, 409,131.87 and 167,425.79 is: 231,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,495.15 : 409,131.87 = 167,425.79 : x
  2. Step 2: Convert to fraction form
    296,495.15/409,131.87 = 167,425.79/x
  3. Step 3: Cross multiply
    296,495.15x = 409,131.87 × 167,425.79
  4. Step 4: Simplify right side
    296,495.15x = 68,499,224,503.27
  5. Step 5: Solve for x
    x = 68,499,224,503.27/296,495.15
  6. Step 6: Final answer
    x = 231,029.84

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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.