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Finding the Fourth Proportional to 341,601.20, 512,478.60 and 201,287.60

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Solution

The fourth proportional to 341,601.20, 512,478.60 and 201,287.60 is: 301,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,601.20 : 512,478.60 = 201,287.60 : x
  2. Step 2: Convert to fraction form
    341,601.20/512,478.60 = 201,287.60/x
  3. Step 3: Cross multiply
    341,601.20x = 512,478.60 × 201,287.60
  4. Step 4: Simplify right side
    341,601.20x = 103,155,587,445.36
  5. Step 5: Solve for x
    x = 103,155,587,445.36/341,601.20
  6. Step 6: Final answer
    x = 301,976.65

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1.5x scale

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.