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Finding the Fourth Proportional to 531,735.26, 797,508.18 and 211,860.32

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Solution

The fourth proportional to 531,735.26, 797,508.18 and 211,860.32 is: 317,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,735.26 : 797,508.18 = 211,860.32 : x
  2. Step 2: Convert to fraction form
    531,735.26/797,508.18 = 211,860.32/x
  3. Step 3: Cross multiply
    531,735.26x = 797,508.18 × 211,860.32
  4. Step 4: Simplify right side
    531,735.26x = 168,960,334,229.88
  5. Step 5: Solve for x
    x = 168,960,334,229.88/531,735.26
  6. Step 6: Final answer
    x = 317,752.74

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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.