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Finding the Fourth Proportional to 682,866.96, 942,356.58 and 376,943.52

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Solution

The fourth proportional to 682,866.96, 942,356.58 and 376,943.52 is: 520,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,866.96 : 942,356.58 = 376,943.52 : x
  2. Step 2: Convert to fraction form
    682,866.96/942,356.58 = 376,943.52/x
  3. Step 3: Cross multiply
    682,866.96x = 942,356.58 × 376,943.52
  4. Step 4: Simplify right side
    682,866.96x = 355,215,206,360.36
  5. Step 5: Solve for x
    x = 355,215,206,360.36/682,866.96
  6. Step 6: Final answer
    x = 520,182.15

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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.