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Finding the Fourth Proportional to 446,858.50, 670,076.58 and 162,350.68

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Solution

The fourth proportional to 446,858.50, 670,076.58 and 162,350.68 is: 243,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,858.50 : 670,076.58 = 162,350.68 : x
  2. Step 2: Convert to fraction form
    446,858.50/670,076.58 = 162,350.68/x
  3. Step 3: Cross multiply
    446,858.50x = 670,076.58 × 162,350.68
  4. Step 4: Simplify right side
    446,858.50x = 108,787,388,415.07
  5. Step 5: Solve for x
    x = 108,787,388,415.07/446,858.50
  6. Step 6: Final answer
    x = 243,449.30

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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.