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Finding the Fourth Proportional to 319,924.89, 479,243.52 and 151,607.57

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Solution

The fourth proportional to 319,924.89, 479,243.52 and 151,607.57 is: 227,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,924.89 : 479,243.52 = 151,607.57 : x
  2. Step 2: Convert to fraction form
    319,924.89/479,243.52 = 151,607.57/x
  3. Step 3: Cross multiply
    319,924.89x = 479,243.52 × 151,607.57
  4. Step 4: Simplify right side
    319,924.89x = 72,656,943,109.23
  5. Step 5: Solve for x
    x = 72,656,943,109.23/319,924.89
  6. Step 6: Final answer
    x = 227,106.25

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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.