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Finding the Fourth Proportional to 322,185.66, 444,603.90 and 178,954.89

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Solution

The fourth proportional to 322,185.66, 444,603.90 and 178,954.89 is: 246,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,185.66 : 444,603.90 = 178,954.89 : x
  2. Step 2: Convert to fraction form
    322,185.66/444,603.90 = 178,954.89/x
  3. Step 3: Cross multiply
    322,185.66x = 444,603.90 × 178,954.89
  4. Step 4: Simplify right side
    322,185.66x = 79,564,042,018.07
  5. Step 5: Solve for x
    x = 79,564,042,018.07/322,185.66
  6. Step 6: Final answer
    x = 246,950.91

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1.5x scale

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.