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Finding the Fourth Proportional to 617,027.10, 925,540.65 and 285,251.10

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Solution

The fourth proportional to 617,027.10, 925,540.65 and 285,251.10 is: 427,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,027.10 : 925,540.65 = 285,251.10 : x
  2. Step 2: Convert to fraction form
    617,027.10/925,540.65 = 285,251.10/x
  3. Step 3: Cross multiply
    617,027.10x = 925,540.65 × 285,251.10
  4. Step 4: Simplify right side
    617,027.10x = 264,011,488,507.22
  5. Step 5: Solve for x
    x = 264,011,488,507.22/617,027.10
  6. Step 6: Final answer
    x = 427,876.65

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Similar ratio
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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.