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Finding the Fourth Proportional to 479,413.72, 661,604.16 and 264,570.10

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Solution

The fourth proportional to 479,413.72, 661,604.16 and 264,570.10 is: 365,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,413.72 : 661,604.16 = 264,570.10 : x
  2. Step 2: Convert to fraction form
    479,413.72/661,604.16 = 264,570.10/x
  3. Step 3: Cross multiply
    479,413.72x = 661,604.16 × 264,570.10
  4. Step 4: Simplify right side
    479,413.72x = 175,040,678,771.62
  5. Step 5: Solve for x
    x = 175,040,678,771.62/479,413.72
  6. Step 6: Final answer
    x = 365,114.04

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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.