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Finding the Fourth Proportional to 549,511.26, 758,333.26 and 320,062.56

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Solution

The fourth proportional to 549,511.26, 758,333.26 and 320,062.56 is: 441,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,511.26 : 758,333.26 = 320,062.56 : x
  2. Step 2: Convert to fraction form
    549,511.26/758,333.26 = 320,062.56/x
  3. Step 3: Cross multiply
    549,511.26x = 758,333.26 × 320,062.56
  4. Step 4: Simplify right side
    549,511.26x = 242,714,084,528.75
  5. Step 5: Solve for x
    x = 242,714,084,528.75/549,511.26
  6. Step 6: Final answer
    x = 441,690.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.