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Finding the Fourth Proportional to 479,264.22, 661,380.93 and 264,413.34

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Solution

The fourth proportional to 479,264.22, 661,380.93 and 264,413.34 is: 364,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,264.22 : 661,380.93 = 264,413.34 : x
  2. Step 2: Convert to fraction form
    479,264.22/661,380.93 = 264,413.34/x
  3. Step 3: Cross multiply
    479,264.22x = 661,380.93 × 264,413.34
  4. Step 4: Simplify right side
    479,264.22x = 174,877,940,713.61
  5. Step 5: Solve for x
    x = 174,877,940,713.61/479,264.22
  6. Step 6: Final answer
    x = 364,888.37

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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.