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Finding the Fourth Proportional to 294,936.56, 440,251.68 and 253,085.58

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Solution

The fourth proportional to 294,936.56, 440,251.68 and 253,085.58 is: 377,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,936.56 : 440,251.68 = 253,085.58 : x
  2. Step 2: Convert to fraction form
    294,936.56/440,251.68 = 253,085.58/x
  3. Step 3: Cross multiply
    294,936.56x = 440,251.68 × 253,085.58
  4. Step 4: Simplify right side
    294,936.56x = 111,421,351,778.77
  5. Step 5: Solve for x
    x = 111,421,351,778.77/294,936.56
  6. Step 6: Final answer
    x = 377,780.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.