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Finding the Fourth Proportional to 276,578.68, 414,518.10 and 176,700.28

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Solution

The fourth proportional to 276,578.68, 414,518.10 and 176,700.28 is: 264,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,578.68 : 414,518.10 = 176,700.28 : x
  2. Step 2: Convert to fraction form
    276,578.68/414,518.10 = 176,700.28/x
  3. Step 3: Cross multiply
    276,578.68x = 414,518.10 × 176,700.28
  4. Step 4: Simplify right side
    276,578.68x = 73,245,464,335.07
  5. Step 5: Solve for x
    x = 73,245,464,335.07/276,578.68
  6. Step 6: Final answer
    x = 264,826.86

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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.