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Finding the Fourth Proportional to 583,990.83, 874,850.09 and 383,702.67

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Solution

The fourth proportional to 583,990.83, 874,850.09 and 383,702.67 is: 574,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,990.83 : 874,850.09 = 383,702.67 : x
  2. Step 2: Convert to fraction form
    583,990.83/874,850.09 = 383,702.67/x
  3. Step 3: Cross multiply
    583,990.83x = 874,850.09 × 383,702.67
  4. Step 4: Simplify right side
    583,990.83x = 335,682,313,464.23
  5. Step 5: Solve for x
    x = 335,682,313,464.23/583,990.83
  6. Step 6: Final answer
    x = 574,807.51

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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.