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Finding the Fourth Proportional to 329,315.52, 454,455.24 and 178,412.52

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Solution

The fourth proportional to 329,315.52, 454,455.24 and 178,412.52 is: 246,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,315.52 : 454,455.24 = 178,412.52 : x
  2. Step 2: Convert to fraction form
    329,315.52/454,455.24 = 178,412.52/x
  3. Step 3: Cross multiply
    329,315.52x = 454,455.24 × 178,412.52
  4. Step 4: Simplify right side
    329,315.52x = 81,080,504,595.60
  5. Step 5: Solve for x
    x = 81,080,504,595.60/329,315.52
  6. Step 6: Final answer
    x = 246,209.18

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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.