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Finding the Fourth Proportional to 319,054.03, 440,297.51 and 175,819.20

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Solution

The fourth proportional to 319,054.03, 440,297.51 and 175,819.20 is: 242,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,054.03 : 440,297.51 = 175,819.20 : x
  2. Step 2: Convert to fraction form
    319,054.03/440,297.51 = 175,819.20/x
  3. Step 3: Cross multiply
    319,054.03x = 440,297.51 × 175,819.20
  4. Step 4: Simplify right side
    319,054.03x = 77,412,754,099.30
  5. Step 5: Solve for x
    x = 77,412,754,099.30/319,054.03
  6. Step 6: Final answer
    x = 242,632.12

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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.