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Finding the Fourth Proportional to 550,620.81, 825,756.24 and 374,261.13

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Solution

The fourth proportional to 550,620.81, 825,756.24 and 374,261.13 is: 561,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,620.81 : 825,756.24 = 374,261.13 : x
  2. Step 2: Convert to fraction form
    550,620.81/825,756.24 = 374,261.13/x
  3. Step 3: Cross multiply
    550,620.81x = 825,756.24 × 374,261.13
  4. Step 4: Simplify right side
    550,620.81x = 309,048,463,486.95
  5. Step 5: Solve for x
    x = 309,048,463,486.95/550,620.81
  6. Step 6: Final answer
    x = 561,272.76

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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.