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Finding the Fourth Proportional to 395,773.35, 546,140.25 and 252,517.56

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Solution

The fourth proportional to 395,773.35, 546,140.25 and 252,517.56 is: 348,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,773.35 : 546,140.25 = 252,517.56 : x
  2. Step 2: Convert to fraction form
    395,773.35/546,140.25 = 252,517.56/x
  3. Step 3: Cross multiply
    395,773.35x = 546,140.25 × 252,517.56
  4. Step 4: Simplify right side
    395,773.35x = 137,910,003,347.79
  5. Step 5: Solve for x
    x = 137,910,003,347.79/395,773.35
  6. Step 6: Final answer
    x = 348,457.02

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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.