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Finding the Fourth Proportional to 443,463.46, 612,028.20 and 252,446.02

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Solution

The fourth proportional to 443,463.46, 612,028.20 and 252,446.02 is: 348,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,463.46 : 612,028.20 = 252,446.02 : x
  2. Step 2: Convert to fraction form
    443,463.46/612,028.20 = 252,446.02/x
  3. Step 3: Cross multiply
    443,463.46x = 612,028.20 × 252,446.02
  4. Step 4: Simplify right side
    443,463.46x = 154,504,083,217.76
  5. Step 5: Solve for x
    x = 154,504,083,217.76/443,463.46
  6. Step 6: Final answer
    x = 348,403.19

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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.