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Finding the Fourth Proportional to 626,792.80, 938,806.80 and 543,848.80

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Solution

The fourth proportional to 626,792.80, 938,806.80 and 543,848.80 is: 814,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,792.80 : 938,806.80 = 543,848.80 : x
  2. Step 2: Convert to fraction form
    626,792.80/938,806.80 = 543,848.80/x
  3. Step 3: Cross multiply
    626,792.80x = 938,806.80 × 543,848.80
  4. Step 4: Simplify right side
    626,792.80x = 510,568,951,611.84
  5. Step 5: Solve for x
    x = 510,568,951,611.84/626,792.80
  6. Step 6: Final answer
    x = 814,573.73

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1.5x scale

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.