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Finding the Fourth Proportional to 264,783.75, 397,175.63 and 77,795.25

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Solution

The fourth proportional to 264,783.75, 397,175.63 and 77,795.25 is: 116,692.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,783.75 : 397,175.63 = 77,795.25 : x
  2. Step 2: Convert to fraction form
    264,783.75/397,175.63 = 77,795.25/x
  3. Step 3: Cross multiply
    264,783.75x = 397,175.63 × 77,795.25
  4. Step 4: Simplify right side
    264,783.75x = 30,898,377,040.78
  5. Step 5: Solve for x
    x = 30,898,377,040.78/264,783.75
  6. Step 6: Final answer
    x = 116,692.88

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1.5x scale

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.