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Finding the Fourth Proportional to 319,627.58, 479,493.39 and 119,963.66

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Solution

The fourth proportional to 319,627.58, 479,493.39 and 119,963.66 is: 179,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,627.58 : 479,493.39 = 119,963.66 : x
  2. Step 2: Convert to fraction form
    319,627.58/479,493.39 = 119,963.66/x
  3. Step 3: Cross multiply
    319,627.58x = 479,493.39 × 119,963.66
  4. Step 4: Simplify right side
    319,627.58x = 57,521,782,010.21
  5. Step 5: Solve for x
    x = 57,521,782,010.21/319,627.58
  6. Step 6: Final answer
    x = 179,965.01

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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.