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Finding the Fourth Proportional to 319,599.23, 479,274.29 and 119,810.63

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Solution

The fourth proportional to 319,599.23, 479,274.29 and 119,810.63 is: 179,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,599.23 : 479,274.29 = 119,810.63 : x
  2. Step 2: Convert to fraction form
    319,599.23/479,274.29 = 119,810.63/x
  3. Step 3: Cross multiply
    319,599.23x = 479,274.29 × 119,810.63
  4. Step 4: Simplify right side
    319,599.23x = 57,422,151,632.28
  5. Step 5: Solve for x
    x = 57,422,151,632.28/319,599.23
  6. Step 6: Final answer
    x = 179,669.25

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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.