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Finding the Fourth Proportional to 569,653.92, 853,733.52 and 419,189.76

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Solution

The fourth proportional to 569,653.92, 853,733.52 and 419,189.76 is: 628,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,653.92 : 853,733.52 = 419,189.76 : x
  2. Step 2: Convert to fraction form
    569,653.92/853,733.52 = 419,189.76/x
  3. Step 3: Cross multiply
    569,653.92x = 853,733.52 × 419,189.76
  4. Step 4: Simplify right side
    569,653.92x = 357,876,349,352.76
  5. Step 5: Solve for x
    x = 357,876,349,352.76/569,653.92
  6. Step 6: Final answer
    x = 628,234.68

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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.