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Finding the Fourth Proportional to 587,276.78, 810,498.69 and 329,197.41

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Solution

The fourth proportional to 587,276.78, 810,498.69 and 329,197.41 is: 454,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,276.78 : 810,498.69 = 329,197.41 : x
  2. Step 2: Convert to fraction form
    587,276.78/810,498.69 = 329,197.41/x
  3. Step 3: Cross multiply
    587,276.78x = 810,498.69 × 329,197.41
  4. Step 4: Simplify right side
    587,276.78x = 266,814,069,556.39
  5. Step 5: Solve for x
    x = 266,814,069,556.39/587,276.78
  6. Step 6: Final answer
    x = 454,324.23

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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.