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Finding the Fourth Proportional to 383,765.34, 529,533.75 and 230,766.77

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Solution

The fourth proportional to 383,765.34, 529,533.75 and 230,766.77 is: 318,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,765.34 : 529,533.75 = 230,766.77 : x
  2. Step 2: Convert to fraction form
    383,765.34/529,533.75 = 230,766.77/x
  3. Step 3: Cross multiply
    383,765.34x = 529,533.75 × 230,766.77
  4. Step 4: Simplify right side
    383,765.34x = 122,198,795,282.70
  5. Step 5: Solve for x
    x = 122,198,795,282.70/383,765.34
  6. Step 6: Final answer
    x = 318,420.61

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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.