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Finding the Fourth Proportional to 682,457, 941,788.01 and 376,552.42

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Solution

The fourth proportional to 682,457, 941,788.01 and 376,552.42 is: 519,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,457 : 941,788.01 = 376,552.42 : x
  2. Step 2: Convert to fraction form
    682,457/941,788.01 = 376,552.42/x
  3. Step 3: Cross multiply
    682,457x = 941,788.01 × 376,552.42
  4. Step 4: Simplify right side
    682,457x = 354,632,554,292.48
  5. Step 5: Solve for x
    x = 354,632,554,292.48/682,457
  6. Step 6: Final answer
    x = 519,640.88

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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.