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Finding the Fourth Proportional to 591,682.32, 816,528.60 and 323,410.32

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Solution

The fourth proportional to 591,682.32, 816,528.60 and 323,410.32 is: 446,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,682.32 : 816,528.60 = 323,410.32 : x
  2. Step 2: Convert to fraction form
    591,682.32/816,528.60 = 323,410.32/x
  3. Step 3: Cross multiply
    591,682.32x = 816,528.60 × 323,410.32
  4. Step 4: Simplify right side
    591,682.32x = 264,073,775,815.15
  5. Step 5: Solve for x
    x = 264,073,775,815.15/591,682.32
  6. Step 6: Final answer
    x = 446,310.07

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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.