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Finding the Fourth Proportional to 512,235.66, 768,099.27 and 175,180.77

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Solution

The fourth proportional to 512,235.66, 768,099.27 and 175,180.77 is: 262,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,235.66 : 768,099.27 = 175,180.77 : x
  2. Step 2: Convert to fraction form
    512,235.66/768,099.27 = 175,180.77/x
  3. Step 3: Cross multiply
    512,235.66x = 768,099.27 × 175,180.77
  4. Step 4: Simplify right side
    512,235.66x = 134,556,221,555.04
  5. Step 5: Solve for x
    x = 134,556,221,555.04/512,235.66
  6. Step 6: Final answer
    x = 262,684.21

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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.