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Finding the Fourth Proportional to 511,500.48, 767,361.36 and 195,957.12

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Solution

The fourth proportional to 511,500.48, 767,361.36 and 195,957.12 is: 293,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,500.48 : 767,361.36 = 195,957.12 : x
  2. Step 2: Convert to fraction form
    511,500.48/767,361.36 = 195,957.12/x
  3. Step 3: Cross multiply
    511,500.48x = 767,361.36 × 195,957.12
  4. Step 4: Simplify right side
    511,500.48x = 150,369,922,104.88
  5. Step 5: Solve for x
    x = 150,369,922,104.88/511,500.48
  6. Step 6: Final answer
    x = 293,978.07

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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.