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Finding the Fourth Proportional to 682,207.65, 941,450.88 and 376,292.22

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Solution

The fourth proportional to 682,207.65, 941,450.88 and 376,292.22 is: 519,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,207.65 : 941,450.88 = 376,292.22 : x
  2. Step 2: Convert to fraction form
    682,207.65/941,450.88 = 376,292.22/x
  3. Step 3: Cross multiply
    682,207.65x = 941,450.88 × 376,292.22
  4. Step 4: Simplify right side
    682,207.65x = 354,260,641,656.15
  5. Step 5: Solve for x
    x = 354,260,641,656.15/682,207.65
  6. Step 6: Final answer
    x = 519,285.65

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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.