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Finding the Fourth Proportional to 984,558.24, 1,476,830.88 and 274,590

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Solution

The fourth proportional to 984,558.24, 1,476,830.88 and 274,590 is: 411,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,558.24 : 1,476,830.88 = 274,590 : x
  2. Step 2: Convert to fraction form
    984,558.24/1,476,830.88 = 274,590/x
  3. Step 3: Cross multiply
    984,558.24x = 1,476,830.88 × 274,590
  4. Step 4: Simplify right side
    984,558.24x = 405,522,991,339.20
  5. Step 5: Solve for x
    x = 405,522,991,339.20/984,558.24
  6. Step 6: Final answer
    x = 411,883.19

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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.