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Finding the Fourth Proportional to 682,012.75, 941,200.32 and 371,932.31

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Solution

The fourth proportional to 682,012.75, 941,200.32 and 371,932.31 is: 513,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,012.75 : 941,200.32 = 371,932.31 : x
  2. Step 2: Convert to fraction form
    682,012.75/941,200.32 = 371,932.31/x
  3. Step 3: Cross multiply
    682,012.75x = 941,200.32 × 371,932.31
  4. Step 4: Simplify right side
    682,012.75x = 350,062,804,484.34
  5. Step 5: Solve for x
    x = 350,062,804,484.34/682,012.75
  6. Step 6: Final answer
    x = 513,278.98

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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.