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Finding the Fourth Proportional to 358,770.22, 495,100.56 and 197,621.52

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Solution

The fourth proportional to 358,770.22, 495,100.56 and 197,621.52 is: 272,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,770.22 : 495,100.56 = 197,621.52 : x
  2. Step 2: Convert to fraction form
    358,770.22/495,100.56 = 197,621.52/x
  3. Step 3: Cross multiply
    358,770.22x = 495,100.56 × 197,621.52
  4. Step 4: Simplify right side
    358,770.22x = 97,842,525,220.05
  5. Step 5: Solve for x
    x = 97,842,525,220.05/358,770.22
  6. Step 6: Final answer
    x = 272,716.41

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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.