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Finding the Fourth Proportional to 682,276.56, 941,542.56 and 376,346.04

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Solution

The fourth proportional to 682,276.56, 941,542.56 and 376,346.04 is: 519,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,276.56 : 941,542.56 = 376,346.04 : x
  2. Step 2: Convert to fraction form
    682,276.56/941,542.56 = 376,346.04/x
  3. Step 3: Cross multiply
    682,276.56x = 941,542.56 × 376,346.04
  4. Step 4: Simplify right side
    682,276.56x = 354,345,813,947.46
  5. Step 5: Solve for x
    x = 354,345,813,947.46/682,276.56
  6. Step 6: Final answer
    x = 519,358.04

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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.