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Finding the Fourth Proportional to 294,553.69, 406,413.52 and 173,685.49

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Solution

The fourth proportional to 294,553.69, 406,413.52 and 173,685.49 is: 239,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,553.69 : 406,413.52 = 173,685.49 : x
  2. Step 2: Convert to fraction form
    294,553.69/406,413.52 = 173,685.49/x
  3. Step 3: Cross multiply
    294,553.69x = 406,413.52 × 173,685.49
  4. Step 4: Simplify right side
    294,553.69x = 70,588,131,363.82
  5. Step 5: Solve for x
    x = 70,588,131,363.82/294,553.69
  6. Step 6: Final answer
    x = 239,644.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.