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Finding the Fourth Proportional to 352,315.56, 485,524.29 and 345,837.81

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Solution

The fourth proportional to 352,315.56, 485,524.29 and 345,837.81 is: 476,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,315.56 : 485,524.29 = 345,837.81 : x
  2. Step 2: Convert to fraction form
    352,315.56/485,524.29 = 345,837.81/x
  3. Step 3: Cross multiply
    352,315.56x = 485,524.29 × 345,837.81
  4. Step 4: Simplify right side
    352,315.56x = 167,912,657,155.41
  5. Step 5: Solve for x
    x = 167,912,657,155.41/352,315.56
  6. Step 6: Final answer
    x = 476,597.34

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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.