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Finding the Fourth Proportional to 329,265, 454,385.70 and 178,362

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Solution

The fourth proportional to 329,265, 454,385.70 and 178,362 is: 246,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,265 : 454,385.70 = 178,362 : x
  2. Step 2: Convert to fraction form
    329,265/454,385.70 = 178,362/x
  3. Step 3: Cross multiply
    329,265x = 454,385.70 × 178,362
  4. Step 4: Simplify right side
    329,265x = 81,045,142,223.40
  5. Step 5: Solve for x
    x = 81,045,142,223.40/329,265
  6. Step 6: Final answer
    x = 246,139.56

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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.