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Finding the Fourth Proportional to 554,564.97, 765,113.54 and 452,413.85

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Solution

The fourth proportional to 554,564.97, 765,113.54 and 452,413.85 is: 624,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,564.97 : 765,113.54 = 452,413.85 : x
  2. Step 2: Convert to fraction form
    554,564.97/765,113.54 = 452,413.85/x
  3. Step 3: Cross multiply
    554,564.97x = 765,113.54 × 452,413.85
  4. Step 4: Simplify right side
    554,564.97x = 346,147,956,230.89
  5. Step 5: Solve for x
    x = 346,147,956,230.89/554,564.97
  6. Step 6: Final answer
    x = 624,179.27

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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.