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Finding the Fourth Proportional to 682,324.35, 941,592.51 and 376,400.97

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Solution

The fourth proportional to 682,324.35, 941,592.51 and 376,400.97 is: 519,425.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,324.35 : 941,592.51 = 376,400.97 : x
  2. Step 2: Convert to fraction form
    682,324.35/941,592.51 = 376,400.97/x
  3. Step 3: Cross multiply
    682,324.35x = 941,592.51 × 376,400.97
  4. Step 4: Simplify right side
    682,324.35x = 354,416,334,108.74
  5. Step 5: Solve for x
    x = 354,416,334,108.74/682,324.35
  6. Step 6: Final answer
    x = 519,425.01

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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.