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Finding the Fourth Proportional to 567,013.18, 850,543.53 and 211,991.26

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Solution

The fourth proportional to 567,013.18, 850,543.53 and 211,991.26 is: 317,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,013.18 : 850,543.53 = 211,991.26 : x
  2. Step 2: Convert to fraction form
    567,013.18/850,543.53 = 211,991.26/x
  3. Step 3: Cross multiply
    567,013.18x = 850,543.53 × 211,991.26
  4. Step 4: Simplify right side
    567,013.18x = 180,307,794,609.55
  5. Step 5: Solve for x
    x = 180,307,794,609.55/567,013.18
  6. Step 6: Final answer
    x = 317,995.77

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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.