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Finding the Fourth Proportional to 248,651.55, 372,977.33 and 186,443.55

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Solution

The fourth proportional to 248,651.55, 372,977.33 and 186,443.55 is: 279,665.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,651.55 : 372,977.33 = 186,443.55 : x
  2. Step 2: Convert to fraction form
    248,651.55/372,977.33 = 186,443.55/x
  3. Step 3: Cross multiply
    248,651.55x = 372,977.33 × 186,443.55
  4. Step 4: Simplify right side
    248,651.55x = 69,539,216,542.50
  5. Step 5: Solve for x
    x = 69,539,216,542.50/248,651.55
  6. Step 6: Final answer
    x = 279,665.33

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Similar ratio
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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.