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Finding the Fourth Proportional to 273,651.60, 409,602.60 and 194,919.60

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Solution

The fourth proportional to 273,651.60, 409,602.60 and 194,919.60 is: 291,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,651.60 : 409,602.60 = 194,919.60 : x
  2. Step 2: Convert to fraction form
    273,651.60/409,602.60 = 194,919.60/x
  3. Step 3: Cross multiply
    273,651.60x = 409,602.60 × 194,919.60
  4. Step 4: Simplify right side
    273,651.60x = 79,839,574,950.96
  5. Step 5: Solve for x
    x = 79,839,574,950.96/273,651.60
  6. Step 6: Final answer
    x = 291,756.29

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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.