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Finding the Fourth Proportional to 395,673.89, 546,004.06 and 252,418.50

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Solution

The fourth proportional to 395,673.89, 546,004.06 and 252,418.50 is: 348,321.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,673.89 : 546,004.06 = 252,418.50 : x
  2. Step 2: Convert to fraction form
    395,673.89/546,004.06 = 252,418.50/x
  3. Step 3: Cross multiply
    395,673.89x = 546,004.06 × 252,418.50
  4. Step 4: Simplify right side
    395,673.89x = 137,821,525,188.06
  5. Step 5: Solve for x
    x = 137,821,525,188.06/395,673.89
  6. Step 6: Final answer
    x = 348,321.00

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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.