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Finding the Fourth Proportional to 571,757.49, 788,893.01 and 342,227.57

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Solution

The fourth proportional to 571,757.49, 788,893.01 and 342,227.57 is: 472,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,757.49 : 788,893.01 = 342,227.57 : x
  2. Step 2: Convert to fraction form
    571,757.49/788,893.01 = 342,227.57/x
  3. Step 3: Cross multiply
    571,757.49x = 788,893.01 × 342,227.57
  4. Step 4: Simplify right side
    571,757.49x = 269,980,932,146.68
  5. Step 5: Solve for x
    x = 269,980,932,146.68/571,757.49
  6. Step 6: Final answer
    x = 472,194.83

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1.5x scale

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.