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Finding the Fourth Proportional to 622,408.68, 933,711.48 and 223,040.64

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Solution

The fourth proportional to 622,408.68, 933,711.48 and 223,040.64 is: 334,596.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,408.68 : 933,711.48 = 223,040.64 : x
  2. Step 2: Convert to fraction form
    622,408.68/933,711.48 = 223,040.64/x
  3. Step 3: Cross multiply
    622,408.68x = 933,711.48 × 223,040.64
  4. Step 4: Simplify right side
    622,408.68x = 208,255,606,074.55
  5. Step 5: Solve for x
    x = 208,255,606,074.55/622,408.68
  6. Step 6: Final answer
    x = 334,596.24

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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.