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Finding the Fourth Proportional to 358,696.44, 495,004.62 and 197,556.45

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Solution

The fourth proportional to 358,696.44, 495,004.62 and 197,556.45 is: 272,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,696.44 : 495,004.62 = 197,556.45 : x
  2. Step 2: Convert to fraction form
    358,696.44/495,004.62 = 197,556.45/x
  3. Step 3: Cross multiply
    358,696.44x = 495,004.62 × 197,556.45
  4. Step 4: Simplify right side
    358,696.44x = 97,791,355,460.80
  5. Step 5: Solve for x
    x = 97,791,355,460.80/358,696.44
  6. Step 6: Final answer
    x = 272,629.85

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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.