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Finding the Fourth Proportional to 395,821.60, 592,857.60 and 325,837.60

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Solution

The fourth proportional to 395,821.60, 592,857.60 and 325,837.60 is: 488,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,821.60 : 592,857.60 = 325,837.60 : x
  2. Step 2: Convert to fraction form
    395,821.60/592,857.60 = 325,837.60/x
  3. Step 3: Cross multiply
    395,821.60x = 592,857.60 × 325,837.60
  4. Step 4: Simplify right side
    395,821.60x = 193,175,297,525.76
  5. Step 5: Solve for x
    x = 193,175,297,525.76/395,821.60
  6. Step 6: Final answer
    x = 488,036.27

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1.5x scale

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.