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Finding the Fourth Proportional to 475,883.04, 656,838 and 323,179.68

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Solution

The fourth proportional to 475,883.04, 656,838 and 323,179.68 is: 446,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,883.04 : 656,838 = 323,179.68 : x
  2. Step 2: Convert to fraction form
    475,883.04/656,838 = 323,179.68/x
  3. Step 3: Cross multiply
    475,883.04x = 656,838 × 323,179.68
  4. Step 4: Simplify right side
    475,883.04x = 212,276,694,651.84
  5. Step 5: Solve for x
    x = 212,276,694,651.84/475,883.04
  6. Step 6: Final answer
    x = 446,069.05

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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.