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Finding the Fourth Proportional to 329,315.22, 454,464 and 186,072.39

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Solution

The fourth proportional to 329,315.22, 454,464 and 186,072.39 is: 256,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,315.22 : 454,464 = 186,072.39 : x
  2. Step 2: Convert to fraction form
    329,315.22/454,464 = 186,072.39/x
  3. Step 3: Cross multiply
    329,315.22x = 454,464 × 186,072.39
  4. Step 4: Simplify right side
    329,315.22x = 84,563,202,648.96
  5. Step 5: Solve for x
    x = 84,563,202,648.96/329,315.22
  6. Step 6: Final answer
    x = 256,784.98

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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.