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Finding the Fourth Proportional to 315,667.44, 435,603.42 and 179,734.59

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Solution

The fourth proportional to 315,667.44, 435,603.42 and 179,734.59 is: 248,023.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,667.44 : 435,603.42 = 179,734.59 : x
  2. Step 2: Convert to fraction form
    315,667.44/435,603.42 = 179,734.59/x
  3. Step 3: Cross multiply
    315,667.44x = 435,603.42 × 179,734.59
  4. Step 4: Simplify right side
    315,667.44x = 78,293,002,096.30
  5. Step 5: Solve for x
    x = 78,293,002,096.30/315,667.44
  6. Step 6: Final answer
    x = 248,023.69

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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.