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Finding the Fourth Proportional to 311,185.74, 466,861.68 and 111,526.32

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Solution

The fourth proportional to 311,185.74, 466,861.68 and 111,526.32 is: 167,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,185.74 : 466,861.68 = 111,526.32 : x
  2. Step 2: Convert to fraction form
    311,185.74/466,861.68 = 111,526.32/x
  3. Step 3: Cross multiply
    311,185.74x = 466,861.68 × 111,526.32
  4. Step 4: Simplify right side
    311,185.74x = 52,067,365,119.42
  5. Step 5: Solve for x
    x = 52,067,365,119.42/311,185.74
  6. Step 6: Final answer
    x = 167,319.25

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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.