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Finding the Fourth Proportional to 622,292, 933,576.24 and 228,308

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Solution

The fourth proportional to 622,292, 933,576.24 and 228,308 is: 342,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,292 : 933,576.24 = 228,308 : x
  2. Step 2: Convert to fraction form
    622,292/933,576.24 = 228,308/x
  3. Step 3: Cross multiply
    622,292x = 933,576.24 × 228,308
  4. Step 4: Simplify right side
    622,292x = 213,142,924,201.92
  5. Step 5: Solve for x
    x = 213,142,924,201.92/622,292
  6. Step 6: Final answer
    x = 342,512.72

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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.