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Finding the Fourth Proportional to 483,175.26, 666,006.30 and 328,078.08

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Solution

The fourth proportional to 483,175.26, 666,006.30 and 328,078.08 is: 452,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,175.26 : 666,006.30 = 328,078.08 : x
  2. Step 2: Convert to fraction form
    483,175.26/666,006.30 = 328,078.08/x
  3. Step 3: Cross multiply
    483,175.26x = 666,006.30 × 328,078.08
  4. Step 4: Simplify right side
    483,175.26x = 218,502,068,171.90
  5. Step 5: Solve for x
    x = 218,502,068,171.90/483,175.26
  6. Step 6: Final answer
    x = 452,221.14

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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.