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Finding the Fourth Proportional to 263,452.50, 395,178.75 and 97,240.50

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Solution

The fourth proportional to 263,452.50, 395,178.75 and 97,240.50 is: 145,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,452.50 : 395,178.75 = 97,240.50 : x
  2. Step 2: Convert to fraction form
    263,452.50/395,178.75 = 97,240.50/x
  3. Step 3: Cross multiply
    263,452.50x = 395,178.75 × 97,240.50
  4. Step 4: Simplify right side
    263,452.50x = 38,427,379,239.38
  5. Step 5: Solve for x
    x = 38,427,379,239.38/263,452.50
  6. Step 6: Final answer
    x = 145,860.75

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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.