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Finding the Fourth Proportional to 542,954.50, 749,297.22 and 328,053.03

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Solution

The fourth proportional to 542,954.50, 749,297.22 and 328,053.03 is: 452,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,954.50 : 749,297.22 = 328,053.03 : x
  2. Step 2: Convert to fraction form
    542,954.50/749,297.22 = 328,053.03/x
  3. Step 3: Cross multiply
    542,954.50x = 749,297.22 × 328,053.03
  4. Step 4: Simplify right side
    542,954.50x = 245,809,223,391.58
  5. Step 5: Solve for x
    x = 245,809,223,391.58/542,954.50
  6. Step 6: Final answer
    x = 452,725.27

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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.