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Finding the Fourth Proportional to 379,164.36, 523,347.67 and 235,842.96

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Solution

The fourth proportional to 379,164.36, 523,347.67 and 235,842.96 is: 325,526.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,164.36 : 523,347.67 = 235,842.96 : x
  2. Step 2: Convert to fraction form
    379,164.36/523,347.67 = 235,842.96/x
  3. Step 3: Cross multiply
    379,164.36x = 523,347.67 × 235,842.96
  4. Step 4: Simplify right side
    379,164.36x = 123,427,862,422.69
  5. Step 5: Solve for x
    x = 123,427,862,422.69/379,164.36
  6. Step 6: Final answer
    x = 325,526.01

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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.