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Finding the Fourth Proportional to 358,840.73, 495,200.37 and 197,694.37

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Solution

The fourth proportional to 358,840.73, 495,200.37 and 197,694.37 is: 272,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,840.73 : 495,200.37 = 197,694.37 : x
  2. Step 2: Convert to fraction form
    358,840.73/495,200.37 = 197,694.37/x
  3. Step 3: Cross multiply
    358,840.73x = 495,200.37 × 197,694.37
  4. Step 4: Simplify right side
    358,840.73x = 97,898,321,706.44
  5. Step 5: Solve for x
    x = 97,898,321,706.44/358,840.73
  6. Step 6: Final answer
    x = 272,818.31

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1.5x scale

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.