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Finding the Fourth Proportional to 531,825.39, 797,745.05 and 176,839.40

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Solution

The fourth proportional to 531,825.39, 797,745.05 and 176,839.40 is: 265,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,825.39 : 797,745.05 = 176,839.40 : x
  2. Step 2: Convert to fraction form
    531,825.39/797,745.05 = 176,839.40/x
  3. Step 3: Cross multiply
    531,825.39x = 797,745.05 × 176,839.40
  4. Step 4: Simplify right side
    531,825.39x = 141,072,751,122.05
  5. Step 5: Solve for x
    x = 141,072,751,122.05/531,825.39
  6. Step 6: Final answer
    x = 265,261.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.