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Finding the Fourth Proportional to 531,959.40, 797,291.10 and 231,805.80

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Solution

The fourth proportional to 531,959.40, 797,291.10 and 231,805.80 is: 347,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,959.40 : 797,291.10 = 231,805.80 : x
  2. Step 2: Convert to fraction form
    531,959.40/797,291.10 = 231,805.80/x
  3. Step 3: Cross multiply
    531,959.40x = 797,291.10 × 231,805.80
  4. Step 4: Simplify right side
    531,959.40x = 184,816,701,268.38
  5. Step 5: Solve for x
    x = 184,816,701,268.38/531,959.40
  6. Step 6: Final answer
    x = 347,426.33

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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.