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Finding the Fourth Proportional to 571,478.88, 788,093.76 and 341,997.12

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Solution

The fourth proportional to 571,478.88, 788,093.76 and 341,997.12 is: 471,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,478.88 : 788,093.76 = 341,997.12 : x
  2. Step 2: Convert to fraction form
    571,478.88/788,093.76 = 341,997.12/x
  3. Step 3: Cross multiply
    571,478.88x = 788,093.76 × 341,997.12
  4. Step 4: Simplify right side
    571,478.88x = 269,525,796,209.97
  5. Step 5: Solve for x
    x = 269,525,796,209.97/571,478.88
  6. Step 6: Final answer
    x = 471,628.62

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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.