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Finding the Fourth Proportional to 318,323.33, 439,348.60 and 182,448.34

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Solution

The fourth proportional to 318,323.33, 439,348.60 and 182,448.34 is: 251,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,323.33 : 439,348.60 = 182,448.34 : x
  2. Step 2: Convert to fraction form
    318,323.33/439,348.60 = 182,448.34/x
  3. Step 3: Cross multiply
    318,323.33x = 439,348.60 × 182,448.34
  4. Step 4: Simplify right side
    318,323.33x = 80,158,423,207.44
  5. Step 5: Solve for x
    x = 80,158,423,207.44/318,323.33
  6. Step 6: Final answer
    x = 251,814.48

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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.