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Finding the Fourth Proportional to 675,662.37, 932,413.90 and 369,738.78

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Solution

The fourth proportional to 675,662.37, 932,413.90 and 369,738.78 is: 510,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,662.37 : 932,413.90 = 369,738.78 : x
  2. Step 2: Convert to fraction form
    675,662.37/932,413.90 = 369,738.78/x
  3. Step 3: Cross multiply
    675,662.37x = 932,413.90 × 369,738.78
  4. Step 4: Simplify right side
    675,662.37x = 344,749,572,553.57
  5. Step 5: Solve for x
    x = 344,749,572,553.57/675,662.37
  6. Step 6: Final answer
    x = 510,239.41

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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.