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Finding the Fourth Proportional to 326,589.80, 450,662.80 and 183,317

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Solution

The fourth proportional to 326,589.80, 450,662.80 and 183,317 is: 252,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,589.80 : 450,662.80 = 183,317 : x
  2. Step 2: Convert to fraction form
    326,589.80/450,662.80 = 183,317/x
  3. Step 3: Cross multiply
    326,589.80x = 450,662.80 × 183,317
  4. Step 4: Simplify right side
    326,589.80x = 82,614,152,507.60
  5. Step 5: Solve for x
    x = 82,614,152,507.60/326,589.80
  6. Step 6: Final answer
    x = 252,959.99

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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.