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Finding the Fourth Proportional to 275,668.48, 380,317.44 and 162,449.92

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Solution

The fourth proportional to 275,668.48, 380,317.44 and 162,449.92 is: 224,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,668.48 : 380,317.44 = 162,449.92 : x
  2. Step 2: Convert to fraction form
    275,668.48/380,317.44 = 162,449.92/x
  3. Step 3: Cross multiply
    275,668.48x = 380,317.44 × 162,449.92
  4. Step 4: Simplify right side
    275,668.48x = 61,782,537,702.60
  5. Step 5: Solve for x
    x = 61,782,537,702.60/275,668.48
  6. Step 6: Final answer
    x = 224,118.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.