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Finding the Fourth Proportional to 531,353.22, 797,154.38 and 211,524.63

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Solution

The fourth proportional to 531,353.22, 797,154.38 and 211,524.63 is: 317,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,353.22 : 797,154.38 = 211,524.63 : x
  2. Step 2: Convert to fraction form
    531,353.22/797,154.38 = 211,524.63/x
  3. Step 3: Cross multiply
    531,353.22x = 797,154.38 × 211,524.63
  4. Step 4: Simplify right side
    531,353.22x = 168,617,781,296.61
  5. Step 5: Solve for x
    x = 168,617,781,296.61/531,353.22
  6. Step 6: Final answer
    x = 317,336.52

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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.