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Finding the Fourth Proportional to 326,612.25, 450,690.34 and 183,388.41

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Solution

The fourth proportional to 326,612.25, 450,690.34 and 183,388.41 is: 253,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,612.25 : 450,690.34 = 183,388.41 : x
  2. Step 2: Convert to fraction form
    326,612.25/450,690.34 = 183,388.41/x
  3. Step 3: Cross multiply
    326,612.25x = 450,690.34 × 183,388.41
  4. Step 4: Simplify right side
    326,612.25x = 82,651,384,854.96
  5. Step 5: Solve for x
    x = 82,651,384,854.96/326,612.25
  6. Step 6: Final answer
    x = 253,056.60

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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.