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Finding the Fourth Proportional to 319,062.94, 440,304.96 and 173,868.41

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Solution

The fourth proportional to 319,062.94, 440,304.96 and 173,868.41 is: 239,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,062.94 : 440,304.96 = 173,868.41 : x
  2. Step 2: Convert to fraction form
    319,062.94/440,304.96 = 173,868.41/x
  3. Step 3: Cross multiply
    319,062.94x = 440,304.96 × 173,868.41
  4. Step 4: Simplify right side
    319,062.94x = 76,555,125,063.08
  5. Step 5: Solve for x
    x = 76,555,125,063.08/319,062.94
  6. Step 6: Final answer
    x = 239,937.38

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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.