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Finding the Fourth Proportional to 326,841.28, 451,025.76 and 181,640.32

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Solution

The fourth proportional to 326,841.28, 451,025.76 and 181,640.32 is: 250,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,841.28 : 451,025.76 = 181,640.32 : x
  2. Step 2: Convert to fraction form
    326,841.28/451,025.76 = 181,640.32/x
  3. Step 3: Cross multiply
    326,841.28x = 451,025.76 × 181,640.32
  4. Step 4: Simplify right side
    326,841.28x = 81,924,463,374.64
  5. Step 5: Solve for x
    x = 81,924,463,374.64/326,841.28
  6. Step 6: Final answer
    x = 250,655.19

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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.