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Finding the Fourth Proportional to 352,004.40, 526,969.80 and 331,498.80

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Solution

The fourth proportional to 352,004.40, 526,969.80 and 331,498.80 is: 496,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,004.40 : 526,969.80 = 331,498.80 : x
  2. Step 2: Convert to fraction form
    352,004.40/526,969.80 = 331,498.80/x
  3. Step 3: Cross multiply
    352,004.40x = 526,969.80 × 331,498.80
  4. Step 4: Simplify right side
    352,004.40x = 174,689,856,336.24
  5. Step 5: Solve for x
    x = 174,689,856,336.24/352,004.40
  6. Step 6: Final answer
    x = 496,271.80

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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.