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Finding the Fourth Proportional to 569,866.26, 786,458.13 and 324,856.86

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Solution

The fourth proportional to 569,866.26, 786,458.13 and 324,856.86 is: 448,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,866.26 : 786,458.13 = 324,856.86 : x
  2. Step 2: Convert to fraction form
    569,866.26/786,458.13 = 324,856.86/x
  3. Step 3: Cross multiply
    569,866.26x = 786,458.13 × 324,856.86
  4. Step 4: Simplify right side
    569,866.26x = 255,486,318,633.27
  5. Step 5: Solve for x
    x = 255,486,318,633.27/569,866.26
  6. Step 6: Final answer
    x = 448,326.80

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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.