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Finding the Fourth Proportional to 351,010.80, 526,516.20 and 276,361.20

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Solution

The fourth proportional to 351,010.80, 526,516.20 and 276,361.20 is: 414,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,010.80 : 526,516.20 = 276,361.20 : x
  2. Step 2: Convert to fraction form
    351,010.80/526,516.20 = 276,361.20/x
  3. Step 3: Cross multiply
    351,010.80x = 526,516.20 × 276,361.20
  4. Step 4: Simplify right side
    351,010.80x = 145,508,648,851.44
  5. Step 5: Solve for x
    x = 145,508,648,851.44/351,010.80
  6. Step 6: Final answer
    x = 414,541.80

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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.