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Finding the Fourth Proportional to 395,155.72, 544,954.26 and 338,010.76

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Solution

The fourth proportional to 395,155.72, 544,954.26 and 338,010.76 is: 466,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,155.72 : 544,954.26 = 338,010.76 : x
  2. Step 2: Convert to fraction form
    395,155.72/544,954.26 = 338,010.76/x
  3. Step 3: Cross multiply
    395,155.72x = 544,954.26 × 338,010.76
  4. Step 4: Simplify right side
    395,155.72x = 184,200,403,587.84
  5. Step 5: Solve for x
    x = 184,200,403,587.84/395,155.72
  6. Step 6: Final answer
    x = 466,146.37

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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.