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Finding the Fourth Proportional to 443,064.42, 611,421.03 and 252,073.71

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Solution

The fourth proportional to 443,064.42, 611,421.03 and 252,073.71 is: 347,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,064.42 : 611,421.03 = 252,073.71 : x
  2. Step 2: Convert to fraction form
    443,064.42/611,421.03 = 252,073.71/x
  3. Step 3: Cross multiply
    443,064.42x = 611,421.03 × 252,073.71
  4. Step 4: Simplify right side
    443,064.42x = 154,123,167,404.12
  5. Step 5: Solve for x
    x = 154,123,167,404.12/443,064.42
  6. Step 6: Final answer
    x = 347,857.24

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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.