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Finding the Fourth Proportional to 326,614.58, 450,716.50 and 183,380.66

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Solution

The fourth proportional to 326,614.58, 450,716.50 and 183,380.66 is: 253,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,614.58 : 450,716.50 = 183,380.66 : x
  2. Step 2: Convert to fraction form
    326,614.58/450,716.50 = 183,380.66/x
  3. Step 3: Cross multiply
    326,614.58x = 450,716.50 × 183,380.66
  4. Step 4: Simplify right side
    326,614.58x = 82,652,688,908.72
  5. Step 5: Solve for x
    x = 82,652,688,908.72/326,614.58
  6. Step 6: Final answer
    x = 253,058.79

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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.