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Finding the Fourth Proportional to 617,010.60, 925,515.90 and 617,010.60

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Solution

The fourth proportional to 617,010.60, 925,515.90 and 617,010.60 is: 925,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,010.60 : 925,515.90 = 617,010.60 : x
  2. Step 2: Convert to fraction form
    617,010.60/925,515.90 = 617,010.60/x
  3. Step 3: Cross multiply
    617,010.60x = 925,515.90 × 617,010.60
  4. Step 4: Simplify right side
    617,010.60x = 571,053,120,768.54
  5. Step 5: Solve for x
    x = 571,053,120,768.54/617,010.60
  6. Step 6: Final answer
    x = 925,515.90

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Double scale
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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.