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Finding the Fourth Proportional to 322,670.48, 445,296 and 177,482.38

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Solution

The fourth proportional to 322,670.48, 445,296 and 177,482.38 is: 244,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,670.48 : 445,296 = 177,482.38 : x
  2. Step 2: Convert to fraction form
    322,670.48/445,296 = 177,482.38/x
  3. Step 3: Cross multiply
    322,670.48x = 445,296 × 177,482.38
  4. Step 4: Simplify right side
    322,670.48x = 79,032,193,884.48
  5. Step 5: Solve for x
    x = 79,032,193,884.48/322,670.48
  6. Step 6: Final answer
    x = 244,931.59

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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.