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Finding the Fourth Proportional to 301,668.60, 452,502.90 and 200,629.20

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Solution

The fourth proportional to 301,668.60, 452,502.90 and 200,629.20 is: 300,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,668.60 : 452,502.90 = 200,629.20 : x
  2. Step 2: Convert to fraction form
    301,668.60/452,502.90 = 200,629.20/x
  3. Step 3: Cross multiply
    301,668.60x = 452,502.90 × 200,629.20
  4. Step 4: Simplify right side
    301,668.60x = 90,785,294,824.68
  5. Step 5: Solve for x
    x = 90,785,294,824.68/301,668.60
  6. Step 6: Final answer
    x = 300,943.80

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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.