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Finding the Fourth Proportional to 486,843.50, 729,629.04 and 352,360.38

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Solution

The fourth proportional to 486,843.50, 729,629.04 and 352,360.38 is: 528,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,843.50 : 729,629.04 = 352,360.38 : x
  2. Step 2: Convert to fraction form
    486,843.50/729,629.04 = 352,360.38/x
  3. Step 3: Cross multiply
    486,843.50x = 729,629.04 × 352,360.38
  4. Step 4: Simplify right side
    486,843.50x = 257,092,365,793.44
  5. Step 5: Solve for x
    x = 257,092,365,793.44/486,843.50
  6. Step 6: Final answer
    x = 528,080.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.