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Finding the Fourth Proportional to 441,932, 609,866.16 and 240,728

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Solution

The fourth proportional to 441,932, 609,866.16 and 240,728 is: 332,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,932 : 609,866.16 = 240,728 : x
  2. Step 2: Convert to fraction form
    441,932/609,866.16 = 240,728/x
  3. Step 3: Cross multiply
    441,932x = 609,866.16 × 240,728
  4. Step 4: Simplify right side
    441,932x = 146,811,860,964.48
  5. Step 5: Solve for x
    x = 146,811,860,964.48/441,932
  6. Step 6: Final answer
    x = 332,204.64

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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.