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Finding the Fourth Proportional to 682,253.19, 941,515.97 and 376,342.46

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Solution

The fourth proportional to 682,253.19, 941,515.97 and 376,342.46 is: 519,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,253.19 : 941,515.97 = 376,342.46 : x
  2. Step 2: Convert to fraction form
    682,253.19/941,515.97 = 376,342.46/x
  3. Step 3: Cross multiply
    682,253.19x = 941,515.97 × 376,342.46
  4. Step 4: Simplify right side
    682,253.19x = 354,332,436,751.16
  5. Step 5: Solve for x
    x = 354,332,436,751.16/682,253.19
  6. Step 6: Final answer
    x = 519,356.22

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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.