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Finding the Fourth Proportional to 496,351.80, 744,527.70 and 141,361.20

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Solution

The fourth proportional to 496,351.80, 744,527.70 and 141,361.20 is: 212,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,351.80 : 744,527.70 = 141,361.20 : x
  2. Step 2: Convert to fraction form
    496,351.80/744,527.70 = 141,361.20/x
  3. Step 3: Cross multiply
    496,351.80x = 744,527.70 × 141,361.20
  4. Step 4: Simplify right side
    496,351.80x = 105,247,329,105.24
  5. Step 5: Solve for x
    x = 105,247,329,105.24/496,351.80
  6. Step 6: Final answer
    x = 212,041.80

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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.