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Finding the Fourth Proportional to 289,736.56, 400,008.54 and 182,398.60

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Solution

The fourth proportional to 289,736.56, 400,008.54 and 182,398.60 is: 251,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,736.56 : 400,008.54 = 182,398.60 : x
  2. Step 2: Convert to fraction form
    289,736.56/400,008.54 = 182,398.60/x
  3. Step 3: Cross multiply
    289,736.56x = 400,008.54 × 182,398.60
  4. Step 4: Simplify right side
    289,736.56x = 72,960,997,684.04
  5. Step 5: Solve for x
    x = 72,960,997,684.04/289,736.56
  6. Step 6: Final answer
    x = 251,818.40

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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.