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Finding the Fourth Proportional to 567,312.20, 850,968.30 and 512,016.20

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Solution

The fourth proportional to 567,312.20, 850,968.30 and 512,016.20 is: 768,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,312.20 : 850,968.30 = 512,016.20 : x
  2. Step 2: Convert to fraction form
    567,312.20/850,968.30 = 512,016.20/x
  3. Step 3: Cross multiply
    567,312.20x = 850,968.30 × 512,016.20
  4. Step 4: Simplify right side
    567,312.20x = 435,709,555,286.46
  5. Step 5: Solve for x
    x = 435,709,555,286.46/567,312.20
  6. Step 6: Final answer
    x = 768,024.30

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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.