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Finding the Fourth Proportional to 376,418.14, 519,460.80 and 204,337.46

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Solution

The fourth proportional to 376,418.14, 519,460.80 and 204,337.46 is: 281,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,418.14 : 519,460.80 = 204,337.46 : x
  2. Step 2: Convert to fraction form
    376,418.14/519,460.80 = 204,337.46/x
  3. Step 3: Cross multiply
    376,418.14x = 519,460.80 × 204,337.46
  4. Step 4: Simplify right side
    376,418.14x = 106,145,300,441.57
  5. Step 5: Solve for x
    x = 106,145,300,441.57/376,418.14
  6. Step 6: Final answer
    x = 281,987.74

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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.