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Finding the Fourth Proportional to 622,170.60, 932,708.70 and 368,826.60

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Solution

The fourth proportional to 622,170.60, 932,708.70 and 368,826.60 is: 552,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,170.60 : 932,708.70 = 368,826.60 : x
  2. Step 2: Convert to fraction form
    622,170.60/932,708.70 = 368,826.60/x
  3. Step 3: Cross multiply
    622,170.60x = 932,708.70 × 368,826.60
  4. Step 4: Simplify right side
    622,170.60x = 344,007,778,611.42
  5. Step 5: Solve for x
    x = 344,007,778,611.42/622,170.60
  6. Step 6: Final answer
    x = 552,915.52

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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.