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Finding the Fourth Proportional to 489,084.60, 733,626.90 and 471,369.90

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Solution

The fourth proportional to 489,084.60, 733,626.90 and 471,369.90 is: 707,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,084.60 : 733,626.90 = 471,369.90 : x
  2. Step 2: Convert to fraction form
    489,084.60/733,626.90 = 471,369.90/x
  3. Step 3: Cross multiply
    489,084.60x = 733,626.90 × 471,369.90
  4. Step 4: Simplify right side
    489,084.60x = 345,809,638,490.31
  5. Step 5: Solve for x
    x = 345,809,638,490.31/489,084.60
  6. Step 6: Final answer
    x = 707,054.85

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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.