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Finding the Fourth Proportional to 617,027.60, 925,541.40 and 285,251.60

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Solution

The fourth proportional to 617,027.60, 925,541.40 and 285,251.60 is: 427,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,027.60 : 925,541.40 = 285,251.60 : x
  2. Step 2: Convert to fraction form
    617,027.60/925,541.40 = 285,251.60/x
  3. Step 3: Cross multiply
    617,027.60x = 925,541.40 × 285,251.60
  4. Step 4: Simplify right side
    617,027.60x = 264,012,165,216.24
  5. Step 5: Solve for x
    x = 264,012,165,216.24/617,027.60
  6. Step 6: Final answer
    x = 427,877.40

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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.