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Finding the Fourth Proportional to 264,285.88, 396,425.35 and 64,608.01

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Solution

The fourth proportional to 264,285.88, 396,425.35 and 64,608.01 is: 96,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,285.88 : 396,425.35 = 64,608.01 : x
  2. Step 2: Convert to fraction form
    264,285.88/396,425.35 = 64,608.01/x
  3. Step 3: Cross multiply
    264,285.88x = 396,425.35 × 64,608.01
  4. Step 4: Simplify right side
    264,285.88x = 25,612,252,977.05
  5. Step 5: Solve for x
    x = 25,612,252,977.05/264,285.88
  6. Step 6: Final answer
    x = 96,911.17

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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.