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Finding the Fourth Proportional to 514,912.82, 771,363.68 and 244,656.32

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Solution

The fourth proportional to 514,912.82, 771,363.68 and 244,656.32 is: 366,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,912.82 : 771,363.68 = 244,656.32 : x
  2. Step 2: Convert to fraction form
    514,912.82/771,363.68 = 244,656.32/x
  3. Step 3: Cross multiply
    514,912.82x = 771,363.68 × 244,656.32
  4. Step 4: Simplify right side
    514,912.82x = 188,718,994,250.36
  5. Step 5: Solve for x
    x = 188,718,994,250.36/514,912.82
  6. Step 6: Final answer
    x = 366,506.70

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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.