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Finding the Fourth Proportional to 482,085.76, 665,283.90 and 267,229.48

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Solution

The fourth proportional to 482,085.76, 665,283.90 and 267,229.48 is: 368,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,085.76 : 665,283.90 = 267,229.48 : x
  2. Step 2: Convert to fraction form
    482,085.76/665,283.90 = 267,229.48/x
  3. Step 3: Cross multiply
    482,085.76x = 665,283.90 × 267,229.48
  4. Step 4: Simplify right side
    482,085.76x = 177,783,470,649.37
  5. Step 5: Solve for x
    x = 177,783,470,649.37/482,085.76
  6. Step 6: Final answer
    x = 368,779.76

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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.