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Finding the Fourth Proportional to 858,872.48, 1,282,525 and 701,413.28

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Solution

The fourth proportional to 858,872.48, 1,282,525 and 701,413.28 is: 1,047,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,872.48 : 1,282,525 = 701,413.28 : x
  2. Step 2: Convert to fraction form
    858,872.48/1,282,525 = 701,413.28/x
  3. Step 3: Cross multiply
    858,872.48x = 1,282,525 × 701,413.28
  4. Step 4: Simplify right side
    858,872.48x = 899,580,066,932
  5. Step 5: Solve for x
    x = 899,580,066,932/858,872.48
  6. Step 6: Final answer
    x = 1,047,396.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.