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Finding the Fourth Proportional to 264,238.81, 396,354.76 and 64,560.93

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Solution

The fourth proportional to 264,238.81, 396,354.76 and 64,560.93 is: 96,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,238.81 : 396,354.76 = 64,560.93 : x
  2. Step 2: Convert to fraction form
    264,238.81/396,354.76 = 64,560.93/x
  3. Step 3: Cross multiply
    264,238.81x = 396,354.76 × 64,560.93
  4. Step 4: Simplify right side
    264,238.81x = 25,589,031,915.53
  5. Step 5: Solve for x
    x = 25,589,031,915.53/264,238.81
  6. Step 6: Final answer
    x = 96,840.55

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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.