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Finding the Fourth Proportional to 569,892,309.37, 786,459,418.77 and 328,354,793.88

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Solution

The fourth proportional to 569,892,309.37, 786,459,418.77 and 328,354,793.88 is: 453,134,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,892,309.37 : 786,459,418.77 = 328,354,793.88 : x
  2. Step 2: Convert to fraction form
    569,892,309.37/786,459,418.77 = 328,354,793.88/x
  3. Step 3: Cross multiply
    569,892,309.37x = 786,459,418.77 × 328,354,793.88
  4. Step 4: Simplify right side
    569,892,309.37x = 258,237,720,347,909,920
  5. Step 5: Solve for x
    x = 258,237,720,347,909,920/569,892,309.37
  6. Step 6: Final answer
    x = 453,134,243.27

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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.