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Finding the Fourth Proportional to 476,625.52, 657,378.96 and 323,781.52

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Solution

The fourth proportional to 476,625.52, 657,378.96 and 323,781.52 is: 446,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,625.52 : 657,378.96 = 323,781.52 : x
  2. Step 2: Convert to fraction form
    476,625.52/657,378.96 = 323,781.52/x
  3. Step 3: Cross multiply
    476,625.52x = 657,378.96 × 323,781.52
  4. Step 4: Simplify right side
    476,625.52x = 212,847,158,884.82
  5. Step 5: Solve for x
    x = 212,847,158,884.82/476,625.52
  6. Step 6: Final answer
    x = 446,571.05

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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.