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Finding the Fourth Proportional to 355,169.20, 532,170.60 and 295,682.80

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Solution

The fourth proportional to 355,169.20, 532,170.60 and 295,682.80 is: 443,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,169.20 : 532,170.60 = 295,682.80 : x
  2. Step 2: Convert to fraction form
    355,169.20/532,170.60 = 295,682.80/x
  3. Step 3: Cross multiply
    355,169.20x = 532,170.60 × 295,682.80
  4. Step 4: Simplify right side
    355,169.20x = 157,353,693,085.68
  5. Step 5: Solve for x
    x = 157,353,693,085.68/355,169.20
  6. Step 6: Final answer
    x = 443,038.68

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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.