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Finding the Fourth Proportional to 462,250.08, 638,101.52 and 281,019.88

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Solution

The fourth proportional to 462,250.08, 638,101.52 and 281,019.88 is: 387,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,250.08 : 638,101.52 = 281,019.88 : x
  2. Step 2: Convert to fraction form
    462,250.08/638,101.52 = 281,019.88/x
  3. Step 3: Cross multiply
    462,250.08x = 638,101.52 × 281,019.88
  4. Step 4: Simplify right side
    462,250.08x = 179,319,212,578.22
  5. Step 5: Solve for x
    x = 179,319,212,578.22/462,250.08
  6. Step 6: Final answer
    x = 387,926.84

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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.