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Finding the Fourth Proportional to 514,550.16, 771,787.98 and 172,995.84

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Solution

The fourth proportional to 514,550.16, 771,787.98 and 172,995.84 is: 259,481.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,550.16 : 771,787.98 = 172,995.84 : x
  2. Step 2: Convert to fraction form
    514,550.16/771,787.98 = 172,995.84/x
  3. Step 3: Cross multiply
    514,550.16x = 771,787.98 × 172,995.84
  4. Step 4: Simplify right side
    514,550.16x = 133,516,109,902.00
  5. Step 5: Solve for x
    x = 133,516,109,902.00/514,550.16
  6. Step 6: Final answer
    x = 259,481.23

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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.