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Finding the Fourth Proportional to 682,073.96, 941,278.61 and 376,154.78

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Solution

The fourth proportional to 682,073.96, 941,278.61 and 376,154.78 is: 519,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,073.96 : 941,278.61 = 376,154.78 : x
  2. Step 2: Convert to fraction form
    682,073.96/941,278.61 = 376,154.78/x
  3. Step 3: Cross multiply
    682,073.96x = 941,278.61 × 376,154.78
  4. Step 4: Simplify right side
    682,073.96x = 354,066,446,582.48
  5. Step 5: Solve for x
    x = 354,066,446,582.48/682,073.96
  6. Step 6: Final answer
    x = 519,102.72

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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.