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Finding the Fourth Proportional to 622,668, 933,831.84 and 223,234.56

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Solution

The fourth proportional to 622,668, 933,831.84 and 223,234.56 is: 334,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,668 : 933,831.84 = 223,234.56 : x
  2. Step 2: Convert to fraction form
    622,668/933,831.84 = 223,234.56/x
  3. Step 3: Cross multiply
    622,668x = 933,831.84 × 223,234.56
  4. Step 4: Simplify right side
    622,668x = 208,463,539,916.39
  5. Step 5: Solve for x
    x = 208,463,539,916.39/622,668
  6. Step 6: Final answer
    x = 334,790.84

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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.