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Finding the Fourth Proportional to 328,544.94, 492,817.83 and 79,226.94

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Solution

The fourth proportional to 328,544.94, 492,817.83 and 79,226.94 is: 118,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,544.94 : 492,817.83 = 79,226.94 : x
  2. Step 2: Convert to fraction form
    328,544.94/492,817.83 = 79,226.94/x
  3. Step 3: Cross multiply
    328,544.94x = 492,817.83 × 79,226.94
  4. Step 4: Simplify right side
    328,544.94x = 39,044,448,648.34
  5. Step 5: Solve for x
    x = 39,044,448,648.34/328,544.94
  6. Step 6: Final answer
    x = 118,840.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.