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Finding the Fourth Proportional to 362,668.80, 499,363.20 and 301,497.60

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Solution

The fourth proportional to 362,668.80, 499,363.20 and 301,497.60 is: 415,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,668.80 : 499,363.20 = 301,497.60 : x
  2. Step 2: Convert to fraction form
    362,668.80/499,363.20 = 301,497.60/x
  3. Step 3: Cross multiply
    362,668.80x = 499,363.20 × 301,497.60
  4. Step 4: Simplify right side
    362,668.80x = 150,556,806,328.32
  5. Step 5: Solve for x
    x = 150,556,806,328.32/362,668.80
  6. Step 6: Final answer
    x = 415,135.81

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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.