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Finding the Fourth Proportional to 682,482, 941,878.26 and 376,618.80

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Solution

The fourth proportional to 682,482, 941,878.26 and 376,618.80 is: 519,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,482 : 941,878.26 = 376,618.80 : x
  2. Step 2: Convert to fraction form
    682,482/941,878.26 = 376,618.80/x
  3. Step 3: Cross multiply
    682,482x = 941,878.26 × 376,618.80
  4. Step 4: Simplify right side
    682,482x = 354,729,060,027.29
  5. Step 5: Solve for x
    x = 354,729,060,027.29/682,482
  6. Step 6: Final answer
    x = 519,763.25

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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.