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Finding the Fourth Proportional to 476,380.80, 713,956.80 and 365,020.80

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Solution

The fourth proportional to 476,380.80, 713,956.80 and 365,020.80 is: 547,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,380.80 : 713,956.80 = 365,020.80 : x
  2. Step 2: Convert to fraction form
    476,380.80/713,956.80 = 365,020.80/x
  3. Step 3: Cross multiply
    476,380.80x = 713,956.80 × 365,020.80
  4. Step 4: Simplify right side
    476,380.80x = 260,609,082,301.44
  5. Step 5: Solve for x
    x = 260,609,082,301.44/476,380.80
  6. Step 6: Final answer
    x = 547,060.42

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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.