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Finding the Fourth Proportional to 395,807.60, 592,836.60 and 325,823.60

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Solution

The fourth proportional to 395,807.60, 592,836.60 and 325,823.60 is: 488,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,807.60 : 592,836.60 = 325,823.60 : x
  2. Step 2: Convert to fraction form
    395,807.60/592,836.60 = 325,823.60/x
  3. Step 3: Cross multiply
    395,807.60x = 592,836.60 × 325,823.60
  4. Step 4: Simplify right side
    395,807.60x = 193,160,155,223.76
  5. Step 5: Solve for x
    x = 193,160,155,223.76/395,807.60
  6. Step 6: Final answer
    x = 488,015.28

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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.