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Finding the Fourth Proportional to 395,694.37, 546,032.39 and 252,439.03

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Solution

The fourth proportional to 395,694.37, 546,032.39 and 252,439.03 is: 348,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,694.37 : 546,032.39 = 252,439.03 : x
  2. Step 2: Convert to fraction form
    395,694.37/546,032.39 = 252,439.03/x
  3. Step 3: Cross multiply
    395,694.37x = 546,032.39 × 252,439.03
  4. Step 4: Simplify right side
    395,694.37x = 137,839,887,720.50
  5. Step 5: Solve for x
    x = 137,839,887,720.50/395,694.37
  6. Step 6: Final answer
    x = 348,349.38

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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.