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Finding the Fourth Proportional to 265,199.02, 397,800.24 and 75,658.90

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Solution

The fourth proportional to 265,199.02, 397,800.24 and 75,658.90 is: 113,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,199.02 : 397,800.24 = 75,658.90 : x
  2. Step 2: Convert to fraction form
    265,199.02/397,800.24 = 75,658.90/x
  3. Step 3: Cross multiply
    265,199.02x = 397,800.24 × 75,658.90
  4. Step 4: Simplify right side
    265,199.02x = 30,097,128,578.14
  5. Step 5: Solve for x
    x = 30,097,128,578.14/265,199.02
  6. Step 6: Final answer
    x = 113,488.84

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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.