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Finding the Fourth Proportional to 531,806.37, 797,709.15 and 157,829.37

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Solution

The fourth proportional to 531,806.37, 797,709.15 and 157,829.37 is: 236,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,806.37 : 797,709.15 = 157,829.37 : x
  2. Step 2: Convert to fraction form
    531,806.37/797,709.15 = 157,829.37/x
  3. Step 3: Cross multiply
    531,806.37x = 797,709.15 × 157,829.37
  4. Step 4: Simplify right side
    531,806.37x = 125,901,932,587.74
  5. Step 5: Solve for x
    x = 125,901,932,587.74/531,806.37
  6. Step 6: Final answer
    x = 236,743.93

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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.