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Finding the Fourth Proportional to 277,570.53, 382,849.74 and 191,562.30

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Solution

The fourth proportional to 277,570.53, 382,849.74 and 191,562.30 is: 264,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,570.53 : 382,849.74 = 191,562.30 : x
  2. Step 2: Convert to fraction form
    277,570.53/382,849.74 = 191,562.30/x
  3. Step 3: Cross multiply
    277,570.53x = 382,849.74 × 191,562.30
  4. Step 4: Simplify right side
    277,570.53x = 73,339,576,748.80
  5. Step 5: Solve for x
    x = 73,339,576,748.80/277,570.53
  6. Step 6: Final answer
    x = 264,219.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.