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Finding the Fourth Proportional to 404,379.88, 606,647.58 and 155,042.44

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Solution

The fourth proportional to 404,379.88, 606,647.58 and 155,042.44 is: 232,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,379.88 : 606,647.58 = 155,042.44 : x
  2. Step 2: Convert to fraction form
    404,379.88/606,647.58 = 155,042.44/x
  3. Step 3: Cross multiply
    404,379.88x = 606,647.58 × 155,042.44
  4. Step 4: Simplify right side
    404,379.88x = 94,056,118,925.27
  5. Step 5: Solve for x
    x = 94,056,118,925.27/404,379.88
  6. Step 6: Final answer
    x = 232,593.47

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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.