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Finding the Fourth Proportional to 606,414.42, 909,617.85 and 157,134.15

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Solution

The fourth proportional to 606,414.42, 909,617.85 and 157,134.15 is: 235,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,414.42 : 909,617.85 = 157,134.15 : x
  2. Step 2: Convert to fraction form
    606,414.42/909,617.85 = 157,134.15/x
  3. Step 3: Cross multiply
    606,414.42x = 909,617.85 × 157,134.15
  4. Step 4: Simplify right side
    606,414.42x = 142,932,027,684.58
  5. Step 5: Solve for x
    x = 142,932,027,684.58/606,414.42
  6. Step 6: Final answer
    x = 235,700.25

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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.