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Finding the Fourth Proportional to 511,838.24, 767,757.44 and 262,361.12

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Solution

The fourth proportional to 511,838.24, 767,757.44 and 262,361.12 is: 393,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,838.24 : 767,757.44 = 262,361.12 : x
  2. Step 2: Convert to fraction form
    511,838.24/767,757.44 = 262,361.12/x
  3. Step 3: Cross multiply
    511,838.24x = 767,757.44 × 262,361.12
  4. Step 4: Simplify right side
    511,838.24x = 201,429,701,846.73
  5. Step 5: Solve for x
    x = 201,429,701,846.73/511,838.24
  6. Step 6: Final answer
    x = 393,541.72

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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.