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Finding the Fourth Proportional to 376,450.88, 519,425.46 and 215,360.10

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Solution

The fourth proportional to 376,450.88, 519,425.46 and 215,360.10 is: 297,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,450.88 : 519,425.46 = 215,360.10 : x
  2. Step 2: Convert to fraction form
    376,450.88/519,425.46 = 215,360.10/x
  3. Step 3: Cross multiply
    376,450.88x = 519,425.46 × 215,360.10
  4. Step 4: Simplify right side
    376,450.88x = 111,863,519,008.15
  5. Step 5: Solve for x
    x = 111,863,519,008.15/376,450.88
  6. Step 6: Final answer
    x = 297,153.03

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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.