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Finding the Fourth Proportional to 404,314.70, 606,909.45 and 254,723.90

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Solution

The fourth proportional to 404,314.70, 606,909.45 and 254,723.90 is: 382,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,314.70 : 606,909.45 = 254,723.90 : x
  2. Step 2: Convert to fraction form
    404,314.70/606,909.45 = 254,723.90/x
  3. Step 3: Cross multiply
    404,314.70x = 606,909.45 × 254,723.90
  4. Step 4: Simplify right side
    404,314.70x = 154,594,342,050.86
  5. Step 5: Solve for x
    x = 154,594,342,050.86/404,314.70
  6. Step 6: Final answer
    x = 382,361.42

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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.