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Finding the Fourth Proportional to 626,794.80, 938,809.80 and 543,850.80

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Solution

The fourth proportional to 626,794.80, 938,809.80 and 543,850.80 is: 814,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,794.80 : 938,809.80 = 543,850.80 : x
  2. Step 2: Convert to fraction form
    626,794.80/938,809.80 = 543,850.80/x
  3. Step 3: Cross multiply
    626,794.80x = 938,809.80 × 543,850.80
  4. Step 4: Simplify right side
    626,794.80x = 510,572,460,777.84
  5. Step 5: Solve for x
    x = 510,572,460,777.84/626,794.80
  6. Step 6: Final answer
    x = 814,576.73

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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.