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Finding the Fourth Proportional to 319,522.92, 440,918.88 and 179,841.90

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Solution

The fourth proportional to 319,522.92, 440,918.88 and 179,841.90 is: 248,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,522.92 : 440,918.88 = 179,841.90 : x
  2. Step 2: Convert to fraction form
    319,522.92/440,918.88 = 179,841.90/x
  3. Step 3: Cross multiply
    319,522.92x = 440,918.88 × 179,841.90
  4. Step 4: Simplify right side
    319,522.92x = 79,295,689,125.07
  5. Step 5: Solve for x
    x = 79,295,689,125.07/319,522.92
  6. Step 6: Final answer
    x = 248,169.02

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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.