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Finding the Fourth Proportional to 304,438.02, 456,658.97 and 79,796.50

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Solution

The fourth proportional to 304,438.02, 456,658.97 and 79,796.50 is: 119,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,438.02 : 456,658.97 = 79,796.50 : x
  2. Step 2: Convert to fraction form
    304,438.02/456,658.97 = 79,796.50/x
  3. Step 3: Cross multiply
    304,438.02x = 456,658.97 × 79,796.50
  4. Step 4: Simplify right side
    304,438.02x = 36,439,787,499.61
  5. Step 5: Solve for x
    x = 36,439,787,499.61/304,438.02
  6. Step 6: Final answer
    x = 119,695.26

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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.