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Finding the Fourth Proportional to 274,457.70, 411,686.64 and 180,941.58

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Solution

The fourth proportional to 274,457.70, 411,686.64 and 180,941.58 is: 271,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,457.70 : 411,686.64 = 180,941.58 : x
  2. Step 2: Convert to fraction form
    274,457.70/411,686.64 = 180,941.58/x
  3. Step 3: Cross multiply
    274,457.70x = 411,686.64 × 180,941.58
  4. Step 4: Simplify right side
    274,457.70x = 74,491,231,106.49
  5. Step 5: Solve for x
    x = 74,491,231,106.49/274,457.70
  6. Step 6: Final answer
    x = 271,412.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.