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Finding the Fourth Proportional to 276,577.68, 414,516.60 and 176,699.28

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Solution

The fourth proportional to 276,577.68, 414,516.60 and 176,699.28 is: 264,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,577.68 : 414,516.60 = 176,699.28 : x
  2. Step 2: Convert to fraction form
    276,577.68/414,516.60 = 176,699.28/x
  3. Step 3: Cross multiply
    276,577.68x = 414,516.60 × 176,699.28
  4. Step 4: Simplify right side
    276,577.68x = 73,244,784,768.05
  5. Step 5: Solve for x
    x = 73,244,784,768.05/276,577.68
  6. Step 6: Final answer
    x = 264,825.36

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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.