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Finding the Fourth Proportional to 606,288.32, 908,129.12 and 491,922.24

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Solution

The fourth proportional to 606,288.32, 908,129.12 and 491,922.24 is: 736,825.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,288.32 : 908,129.12 = 491,922.24 : x
  2. Step 2: Convert to fraction form
    606,288.32/908,129.12 = 491,922.24/x
  3. Step 3: Cross multiply
    606,288.32x = 908,129.12 × 491,922.24
  4. Step 4: Simplify right side
    606,288.32x = 446,728,910,919.63
  5. Step 5: Solve for x
    x = 446,728,910,919.63/606,288.32
  6. Step 6: Final answer
    x = 736,825.86

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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.