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Finding the Fourth Proportional to 263,692.78, 396,661.62 and 239,030.23

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Solution

The fourth proportional to 263,692.78, 396,661.62 and 239,030.23 is: 359,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,692.78 : 396,661.62 = 239,030.23 : x
  2. Step 2: Convert to fraction form
    263,692.78/396,661.62 = 239,030.23/x
  3. Step 3: Cross multiply
    263,692.78x = 396,661.62 × 239,030.23
  4. Step 4: Simplify right side
    263,692.78x = 94,814,118,260.77
  5. Step 5: Solve for x
    x = 94,814,118,260.77/263,692.78
  6. Step 6: Final answer
    x = 359,562.81

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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.