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Finding the Fourth Proportional to 395,811.60, 592,842.60 and 325,827.60

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Solution

The fourth proportional to 395,811.60, 592,842.60 and 325,827.60 is: 488,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,811.60 : 592,842.60 = 325,827.60 : x
  2. Step 2: Convert to fraction form
    395,811.60/592,842.60 = 325,827.60/x
  3. Step 3: Cross multiply
    395,811.60x = 592,842.60 × 325,827.60
  4. Step 4: Simplify right side
    395,811.60x = 193,164,481,535.76
  5. Step 5: Solve for x
    x = 193,164,481,535.76/395,811.60
  6. Step 6: Final answer
    x = 488,021.27

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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.