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Finding the Fourth Proportional to 254,436.98, 381,597.15 and 151,883.28

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Solution

The fourth proportional to 254,436.98, 381,597.15 and 151,883.28 is: 227,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,436.98 : 381,597.15 = 151,883.28 : x
  2. Step 2: Convert to fraction form
    254,436.98/381,597.15 = 151,883.28/x
  3. Step 3: Cross multiply
    254,436.98x = 381,597.15 × 151,883.28
  4. Step 4: Simplify right side
    254,436.98x = 57,958,226,780.65
  5. Step 5: Solve for x
    x = 57,958,226,780.65/254,436.98
  6. Step 6: Final answer
    x = 227,790.11

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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.