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Finding the Fourth Proportional to 267,457.80, 369,129.60 and 165,516.10

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Solution

The fourth proportional to 267,457.80, 369,129.60 and 165,516.10 is: 228,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,457.80 : 369,129.60 = 165,516.10 : x
  2. Step 2: Convert to fraction form
    267,457.80/369,129.60 = 165,516.10/x
  3. Step 3: Cross multiply
    267,457.80x = 369,129.60 × 165,516.10
  4. Step 4: Simplify right side
    267,457.80x = 61,096,891,786.56
  5. Step 5: Solve for x
    x = 61,096,891,786.56/267,457.80
  6. Step 6: Final answer
    x = 228,435.63

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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.