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Finding the Fourth Proportional to 443,795.91, 612,288.77 and 252,673.98

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Solution

The fourth proportional to 443,795.91, 612,288.77 and 252,673.98 is: 348,604.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,795.91 : 612,288.77 = 252,673.98 : x
  2. Step 2: Convert to fraction form
    443,795.91/612,288.77 = 252,673.98/x
  3. Step 3: Cross multiply
    443,795.91x = 612,288.77 × 252,673.98
  4. Step 4: Simplify right side
    443,795.91x = 154,709,439,161.84
  5. Step 5: Solve for x
    x = 154,709,439,161.84/443,795.91
  6. Step 6: Final answer
    x = 348,604.92

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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.