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Finding the Fourth Proportional to 251,550.43, 377,325.64 and 172,424.77

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Solution

The fourth proportional to 251,550.43, 377,325.64 and 172,424.77 is: 258,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,550.43 : 377,325.64 = 172,424.77 : x
  2. Step 2: Convert to fraction form
    251,550.43/377,325.64 = 172,424.77/x
  3. Step 3: Cross multiply
    251,550.43x = 377,325.64 × 172,424.77
  4. Step 4: Simplify right side
    251,550.43x = 65,060,285,964.32
  5. Step 5: Solve for x
    x = 65,060,285,964.32/251,550.43
  6. Step 6: Final answer
    x = 258,637.15

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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.