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Finding the Fourth Proportional to 514,590.30, 771,998.85 and 173,022.06

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Solution

The fourth proportional to 514,590.30, 771,998.85 and 173,022.06 is: 259,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,590.30 : 771,998.85 = 173,022.06 : x
  2. Step 2: Convert to fraction form
    514,590.30/771,998.85 = 173,022.06/x
  3. Step 3: Cross multiply
    514,590.30x = 771,998.85 × 173,022.06
  4. Step 4: Simplify right side
    514,590.30x = 133,572,831,344.63
  5. Step 5: Solve for x
    x = 133,572,831,344.63/514,590.30
  6. Step 6: Final answer
    x = 259,571.22

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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.