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Finding the Fourth Proportional to 358,880.22, 495,255.67 and 197,734.77

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Solution

The fourth proportional to 358,880.22, 495,255.67 and 197,734.77 is: 272,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,880.22 : 495,255.67 = 197,734.77 : x
  2. Step 2: Convert to fraction form
    358,880.22/495,255.67 = 197,734.77/x
  3. Step 3: Cross multiply
    358,880.22x = 495,255.67 × 197,734.77
  4. Step 4: Simplify right side
    358,880.22x = 97,929,265,504.31
  5. Step 5: Solve for x
    x = 97,929,265,504.31/358,880.22
  6. Step 6: Final answer
    x = 272,874.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.