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Finding the Fourth Proportional to 274,209.98, 411,148.85 and 179,325.63

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Solution

The fourth proportional to 274,209.98, 411,148.85 and 179,325.63 is: 268,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,209.98 : 411,148.85 = 179,325.63 : x
  2. Step 2: Convert to fraction form
    274,209.98/411,148.85 = 179,325.63/x
  3. Step 3: Cross multiply
    274,209.98x = 411,148.85 × 179,325.63
  4. Step 4: Simplify right side
    274,209.98x = 73,729,525,653.40
  5. Step 5: Solve for x
    x = 73,729,525,653.40/274,209.98
  6. Step 6: Final answer
    x = 268,879.81

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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.