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Finding the Fourth Proportional to 318,772.49, 439,924.44 and 182,805.35

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Solution

The fourth proportional to 318,772.49, 439,924.44 and 182,805.35 is: 252,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,772.49 : 439,924.44 = 182,805.35 : x
  2. Step 2: Convert to fraction form
    318,772.49/439,924.44 = 182,805.35/x
  3. Step 3: Cross multiply
    318,772.49x = 439,924.44 × 182,805.35
  4. Step 4: Simplify right side
    318,772.49x = 80,420,539,028.13
  5. Step 5: Solve for x
    x = 80,420,539,028.13/318,772.49
  6. Step 6: Final answer
    x = 252,281.93

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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.