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Finding the Fourth Proportional to 529,755.60, 794,633.40 and 441,109.20

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Solution

The fourth proportional to 529,755.60, 794,633.40 and 441,109.20 is: 661,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,755.60 : 794,633.40 = 441,109.20 : x
  2. Step 2: Convert to fraction form
    529,755.60/794,633.40 = 441,109.20/x
  3. Step 3: Cross multiply
    529,755.60x = 794,633.40 × 441,109.20
  4. Step 4: Simplify right side
    529,755.60x = 350,520,103,367.28
  5. Step 5: Solve for x
    x = 350,520,103,367.28/529,755.60
  6. Step 6: Final answer
    x = 661,663.80

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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.