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Finding the Fourth Proportional to 617,682.20, 925,832.10 and 351,570.20

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Solution

The fourth proportional to 617,682.20, 925,832.10 and 351,570.20 is: 526,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,682.20 : 925,832.10 = 351,570.20 : x
  2. Step 2: Convert to fraction form
    617,682.20/925,832.10 = 351,570.20/x
  3. Step 3: Cross multiply
    617,682.20x = 925,832.10 × 351,570.20
  4. Step 4: Simplify right side
    617,682.20x = 325,494,976,563.42
  5. Step 5: Solve for x
    x = 325,494,976,563.42/617,682.20
  6. Step 6: Final answer
    x = 526,961.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.