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Finding the Fourth Proportional to 466,412.70, 699,619.05 and 257,379.24

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Solution

The fourth proportional to 466,412.70, 699,619.05 and 257,379.24 is: 386,068.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,412.70 : 699,619.05 = 257,379.24 : x
  2. Step 2: Convert to fraction form
    466,412.70/699,619.05 = 257,379.24/x
  3. Step 3: Cross multiply
    466,412.70x = 699,619.05 × 257,379.24
  4. Step 4: Simplify right side
    466,412.70x = 180,067,419,378.52
  5. Step 5: Solve for x
    x = 180,067,419,378.52/466,412.70
  6. Step 6: Final answer
    x = 386,068.86

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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.