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Finding the Fourth Proportional to 395,673.22, 546,028.23 and 214,389.73

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Solution

The fourth proportional to 395,673.22, 546,028.23 and 214,389.73 is: 295,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,673.22 : 546,028.23 = 214,389.73 : x
  2. Step 2: Convert to fraction form
    395,673.22/546,028.23 = 214,389.73/x
  3. Step 3: Cross multiply
    395,673.22x = 546,028.23 × 214,389.73
  4. Step 4: Simplify right side
    395,673.22x = 117,062,844,802.08
  5. Step 5: Solve for x
    x = 117,062,844,802.08/395,673.22
  6. Step 6: Final answer
    x = 295,857.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.