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Finding the Fourth Proportional to 316,236.84, 474,418.68 and 116,558.16

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Solution

The fourth proportional to 316,236.84, 474,418.68 and 116,558.16 is: 174,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,236.84 : 474,418.68 = 116,558.16 : x
  2. Step 2: Convert to fraction form
    316,236.84/474,418.68 = 116,558.16/x
  3. Step 3: Cross multiply
    316,236.84x = 474,418.68 × 116,558.16
  4. Step 4: Simplify right side
    316,236.84x = 55,297,368,410.43
  5. Step 5: Solve for x
    x = 55,297,368,410.43/316,236.84
  6. Step 6: Final answer
    x = 174,860.62

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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.