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Finding the Fourth Proportional to 395,824.60, 592,862.10 and 325,840.60

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Solution

The fourth proportional to 395,824.60, 592,862.10 and 325,840.60 is: 488,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,824.60 : 592,862.10 = 325,840.60 : x
  2. Step 2: Convert to fraction form
    395,824.60/592,862.10 = 325,840.60/x
  3. Step 3: Cross multiply
    395,824.60x = 592,862.10 × 325,840.60
  4. Step 4: Simplify right side
    395,824.60x = 193,178,542,381.26
  5. Step 5: Solve for x
    x = 193,178,542,381.26/395,824.60
  6. Step 6: Final answer
    x = 488,040.77

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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.