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Finding the Fourth Proportional to 443,748.38, 612,372.76 and 252,872.48

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Solution

The fourth proportional to 443,748.38, 612,372.76 and 252,872.48 is: 348,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,748.38 : 612,372.76 = 252,872.48 : x
  2. Step 2: Convert to fraction form
    443,748.38/612,372.76 = 252,872.48/x
  3. Step 3: Cross multiply
    443,748.38x = 612,372.76 × 252,872.48
  4. Step 4: Simplify right side
    443,748.38x = 154,852,219,404.40
  5. Step 5: Solve for x
    x = 154,852,219,404.40/443,748.38
  6. Step 6: Final answer
    x = 348,964.03

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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.