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Finding the Fourth Proportional to 335,361.57, 503,043.43 and 210,440.13

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Solution

The fourth proportional to 335,361.57, 503,043.43 and 210,440.13 is: 315,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,361.57 : 503,043.43 = 210,440.13 : x
  2. Step 2: Convert to fraction form
    335,361.57/503,043.43 = 210,440.13/x
  3. Step 3: Cross multiply
    335,361.57x = 503,043.43 × 210,440.13
  4. Step 4: Simplify right side
    335,361.57x = 105,860,524,804.85
  5. Step 5: Solve for x
    x = 105,860,524,804.85/335,361.57
  6. Step 6: Final answer
    x = 315,660.87

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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.