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Finding the Fourth Proportional to 884,288.80, 1,323,610.80 and 697,664.80

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Solution

The fourth proportional to 884,288.80, 1,323,610.80 and 697,664.80 is: 1,044,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,288.80 : 1,323,610.80 = 697,664.80 : x
  2. Step 2: Convert to fraction form
    884,288.80/1,323,610.80 = 697,664.80/x
  3. Step 3: Cross multiply
    884,288.80x = 1,323,610.80 × 697,664.80
  4. Step 4: Simplify right side
    884,288.80x = 923,436,664,059.84
  5. Step 5: Solve for x
    x = 923,436,664,059.84/884,288.80
  6. Step 6: Final answer
    x = 1,044,270.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.