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Finding the Fourth Proportional to 619,375.30, 928,832.55 and 245,320.90

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Solution

The fourth proportional to 619,375.30, 928,832.55 and 245,320.90 is: 367,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,375.30 : 928,832.55 = 245,320.90 : x
  2. Step 2: Convert to fraction form
    619,375.30/928,832.55 = 245,320.90/x
  3. Step 3: Cross multiply
    619,375.30x = 928,832.55 × 245,320.90
  4. Step 4: Simplify right side
    619,375.30x = 227,862,037,115.30
  5. Step 5: Solve for x
    x = 227,862,037,115.30/619,375.30
  6. Step 6: Final answer
    x = 367,890.09

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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.