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Finding the Fourth Proportional to 606,445.92, 909,712.62 and 185,667.12

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Solution

The fourth proportional to 606,445.92, 909,712.62 and 185,667.12 is: 278,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,445.92 : 909,712.62 = 185,667.12 : x
  2. Step 2: Convert to fraction form
    606,445.92/909,712.62 = 185,667.12/x
  3. Step 3: Cross multiply
    606,445.92x = 909,712.62 × 185,667.12
  4. Step 4: Simplify right side
    606,445.92x = 168,903,722,183.05
  5. Step 5: Solve for x
    x = 168,903,722,183.05/606,445.92
  6. Step 6: Final answer
    x = 278,514.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.