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Finding the Fourth Proportional to 443,059.92, 611,414.87 and 252,069.21

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Solution

The fourth proportional to 443,059.92, 611,414.87 and 252,069.21 is: 347,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,059.92 : 611,414.87 = 252,069.21 : x
  2. Step 2: Convert to fraction form
    443,059.92/611,414.87 = 252,069.21/x
  3. Step 3: Cross multiply
    443,059.92x = 611,414.87 × 252,069.21
  4. Step 4: Simplify right side
    443,059.92x = 154,118,862,002.81
  5. Step 5: Solve for x
    x = 154,118,862,002.81/443,059.92
  6. Step 6: Final answer
    x = 347,851.06

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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.