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Finding the Fourth Proportional to 567,207.90, 850,811.85 and 167,910.30

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Solution

The fourth proportional to 567,207.90, 850,811.85 and 167,910.30 is: 251,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,207.90 : 850,811.85 = 167,910.30 : x
  2. Step 2: Convert to fraction form
    567,207.90/850,811.85 = 167,910.30/x
  3. Step 3: Cross multiply
    567,207.90x = 850,811.85 × 167,910.30
  4. Step 4: Simplify right side
    567,207.90x = 142,860,072,977.06
  5. Step 5: Solve for x
    x = 142,860,072,977.06/567,207.90
  6. Step 6: Final answer
    x = 251,865.45

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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.