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Finding the Fourth Proportional to 273,665.60, 409,623.60 and 194,933.60

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Solution

The fourth proportional to 273,665.60, 409,623.60 and 194,933.60 is: 291,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,665.60 : 409,623.60 = 194,933.60 : x
  2. Step 2: Convert to fraction form
    273,665.60/409,623.60 = 194,933.60/x
  3. Step 3: Cross multiply
    273,665.60x = 409,623.60 × 194,933.60
  4. Step 4: Simplify right side
    273,665.60x = 79,849,402,992.96
  5. Step 5: Solve for x
    x = 79,849,402,992.96/273,665.60
  6. Step 6: Final answer
    x = 291,777.27

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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.