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Finding the Fourth Proportional to 404,051.76, 606,222.63 and 173,143.80

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Solution

The fourth proportional to 404,051.76, 606,222.63 and 173,143.80 is: 259,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,051.76 : 606,222.63 = 173,143.80 : x
  2. Step 2: Convert to fraction form
    404,051.76/606,222.63 = 173,143.80/x
  3. Step 3: Cross multiply
    404,051.76x = 606,222.63 × 173,143.80
  4. Step 4: Simplify right side
    404,051.76x = 104,963,689,804.19
  5. Step 5: Solve for x
    x = 104,963,689,804.19/404,051.76
  6. Step 6: Final answer
    x = 259,777.83

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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.