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Finding the Fourth Proportional to 476,450.81, 713,741.90 and 276,350.81

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Solution

The fourth proportional to 476,450.81, 713,741.90 and 276,350.81 is: 413,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,450.81 : 713,741.90 = 276,350.81 : x
  2. Step 2: Convert to fraction form
    476,450.81/713,741.90 = 276,350.81/x
  3. Step 3: Cross multiply
    476,450.81x = 713,741.90 × 276,350.81
  4. Step 4: Simplify right side
    476,450.81x = 197,243,150,814.19
  5. Step 5: Solve for x
    x = 197,243,150,814.19/476,450.81
  6. Step 6: Final answer
    x = 413,984.29

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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.