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Finding the Fourth Proportional to 336,478.17, 464,100.21 and 325,357.29

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Solution

The fourth proportional to 336,478.17, 464,100.21 and 325,357.29 is: 448,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,478.17 : 464,100.21 = 325,357.29 : x
  2. Step 2: Convert to fraction form
    336,478.17/464,100.21 = 325,357.29/x
  3. Step 3: Cross multiply
    336,478.17x = 464,100.21 × 325,357.29
  4. Step 4: Simplify right side
    336,478.17x = 150,998,386,614.03
  5. Step 5: Solve for x
    x = 150,998,386,614.03/336,478.17
  6. Step 6: Final answer
    x = 448,761.32

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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.