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Finding the Fourth Proportional to 477,286.44, 658,637.58 and 262,413.72

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Solution

The fourth proportional to 477,286.44, 658,637.58 and 262,413.72 is: 362,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,286.44 : 658,637.58 = 262,413.72 : x
  2. Step 2: Convert to fraction form
    477,286.44/658,637.58 = 262,413.72/x
  3. Step 3: Cross multiply
    477,286.44x = 658,637.58 × 262,413.72
  4. Step 4: Simplify right side
    477,286.44x = 172,835,537,499.60
  5. Step 5: Solve for x
    x = 172,835,537,499.60/477,286.44
  6. Step 6: Final answer
    x = 362,121.20

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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.