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Finding the Fourth Proportional to 567,876.60, 851,814.90 and 483,442.20

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Solution

The fourth proportional to 567,876.60, 851,814.90 and 483,442.20 is: 725,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,876.60 : 851,814.90 = 483,442.20 : x
  2. Step 2: Convert to fraction form
    567,876.60/851,814.90 = 483,442.20/x
  3. Step 3: Cross multiply
    567,876.60x = 851,814.90 × 483,442.20
  4. Step 4: Simplify right side
    567,876.60x = 411,803,269,248.78
  5. Step 5: Solve for x
    x = 411,803,269,248.78/567,876.60
  6. Step 6: Final answer
    x = 725,163.30

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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.