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Finding the Fourth Proportional to 319,060.62, 440,304.46 and 173,867.51

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Solution

The fourth proportional to 319,060.62, 440,304.46 and 173,867.51 is: 239,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,060.62 : 440,304.46 = 173,867.51 : x
  2. Step 2: Convert to fraction form
    319,060.62/440,304.46 = 173,867.51/x
  3. Step 3: Cross multiply
    319,060.62x = 440,304.46 × 173,867.51
  4. Step 4: Simplify right side
    319,060.62x = 76,554,640,768.19
  5. Step 5: Solve for x
    x = 76,554,640,768.19/319,060.62
  6. Step 6: Final answer
    x = 239,937.60

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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.