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Finding the Fourth Proportional to 395,806.60, 592,835.10 and 325,822.60

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Solution

The fourth proportional to 395,806.60, 592,835.10 and 325,822.60 is: 488,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,806.60 : 592,835.10 = 325,822.60 : x
  2. Step 2: Convert to fraction form
    395,806.60/592,835.10 = 325,822.60/x
  3. Step 3: Cross multiply
    395,806.60x = 592,835.10 × 325,822.60
  4. Step 4: Simplify right side
    395,806.60x = 193,159,073,653.26
  5. Step 5: Solve for x
    x = 193,159,073,653.26/395,806.60
  6. Step 6: Final answer
    x = 488,013.78

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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.