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Finding the Fourth Proportional to 264,788.64, 396,878.47 and 122,334.66

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Solution

The fourth proportional to 264,788.64, 396,878.47 and 122,334.66 is: 183,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,788.64 : 396,878.47 = 122,334.66 : x
  2. Step 2: Convert to fraction form
    264,788.64/396,878.47 = 122,334.66/x
  3. Step 3: Cross multiply
    264,788.64x = 396,878.47 × 122,334.66
  4. Step 4: Simplify right side
    264,788.64x = 48,551,992,688.77
  5. Step 5: Solve for x
    x = 48,551,992,688.77/264,788.64
  6. Step 6: Final answer
    x = 183,361.31

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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.