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Finding the Fourth Proportional to 626,625.90, 940,334.13 and 266,796.54

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Solution

The fourth proportional to 626,625.90, 940,334.13 and 266,796.54 is: 400,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,625.90 : 940,334.13 = 266,796.54 : x
  2. Step 2: Convert to fraction form
    626,625.90/940,334.13 = 266,796.54/x
  3. Step 3: Cross multiply
    626,625.90x = 940,334.13 × 266,796.54
  4. Step 4: Simplify right side
    626,625.90x = 250,877,892,327.91
  5. Step 5: Solve for x
    x = 250,877,892,327.91/626,625.90
  6. Step 6: Final answer
    x = 400,363.11

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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.