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Finding the Fourth Proportional to 536,652.60, 804,978.90 and 347,695.80

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Solution

The fourth proportional to 536,652.60, 804,978.90 and 347,695.80 is: 521,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,652.60 : 804,978.90 = 347,695.80 : x
  2. Step 2: Convert to fraction form
    536,652.60/804,978.90 = 347,695.80/x
  3. Step 3: Cross multiply
    536,652.60x = 804,978.90 × 347,695.80
  4. Step 4: Simplify right side
    536,652.60x = 279,887,782,618.62
  5. Step 5: Solve for x
    x = 279,887,782,618.62/536,652.60
  6. Step 6: Final answer
    x = 521,543.70

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Similar ratio
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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.