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Finding the Fourth Proportional to 683,181.10, 942,765.78 and 377,252.20

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Solution

The fourth proportional to 683,181.10, 942,765.78 and 377,252.20 is: 520,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,181.10 : 942,765.78 = 377,252.20 : x
  2. Step 2: Convert to fraction form
    683,181.10/942,765.78 = 377,252.20/x
  3. Step 3: Cross multiply
    683,181.10x = 942,765.78 × 377,252.20
  4. Step 4: Simplify right side
    683,181.10x = 355,660,464,589.72
  5. Step 5: Solve for x
    x = 355,660,464,589.72/683,181.10
  6. Step 6: Final answer
    x = 520,594.71

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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.