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Finding the Fourth Proportional to 884,286.30, 1,323,607.05 and 697,662.30

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Solution

The fourth proportional to 884,286.30, 1,323,607.05 and 697,662.30 is: 1,044,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,286.30 : 1,323,607.05 = 697,662.30 : x
  2. Step 2: Convert to fraction form
    884,286.30/1,323,607.05 = 697,662.30/x
  3. Step 3: Cross multiply
    884,286.30x = 1,323,607.05 × 697,662.30
  4. Step 4: Simplify right side
    884,286.30x = 923,430,738,799.22
  5. Step 5: Solve for x
    x = 923,430,738,799.22/884,286.30
  6. Step 6: Final answer
    x = 1,044,266.70

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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.