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Finding the Fourth Proportional to 467,359.48, 644,955.28 and 252,498.88

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Solution

The fourth proportional to 467,359.48, 644,955.28 and 252,498.88 is: 348,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,359.48 : 644,955.28 = 252,498.88 : x
  2. Step 2: Convert to fraction form
    467,359.48/644,955.28 = 252,498.88/x
  3. Step 3: Cross multiply
    467,359.48x = 644,955.28 × 252,498.88
  4. Step 4: Simplify right side
    467,359.48x = 162,850,485,850.09
  5. Step 5: Solve for x
    x = 162,850,485,850.09/467,359.48
  6. Step 6: Final answer
    x = 348,448.02

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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.