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Finding the Fourth Proportional to 443,328.94, 611,797.82 and 252,354.61

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Solution

The fourth proportional to 443,328.94, 611,797.82 and 252,354.61 is: 348,251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,328.94 : 611,797.82 = 252,354.61 : x
  2. Step 2: Convert to fraction form
    443,328.94/611,797.82 = 252,354.61/x
  3. Step 3: Cross multiply
    443,328.94x = 611,797.82 × 252,354.61
  4. Step 4: Simplify right side
    443,328.94x = 154,389,998,420.01
  5. Step 5: Solve for x
    x = 154,389,998,420.01/443,328.94
  6. Step 6: Final answer
    x = 348,251.57

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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.