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Finding the Fourth Proportional to 722,213.56, 996,537.36 and 416,302.48

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Solution

The fourth proportional to 722,213.56, 996,537.36 and 416,302.48 is: 574,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,213.56 : 996,537.36 = 416,302.48 : x
  2. Step 2: Convert to fraction form
    722,213.56/996,537.36 = 416,302.48/x
  3. Step 3: Cross multiply
    722,213.56x = 996,537.36 × 416,302.48
  4. Step 4: Simplify right side
    722,213.56x = 414,860,974,380.65
  5. Step 5: Solve for x
    x = 414,860,974,380.65/722,213.56
  6. Step 6: Final answer
    x = 574,429.78

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1.5x scale

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.