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Finding the Fourth Proportional to 656,013.60, 982,270.80 and 656,013.60

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Solution

The fourth proportional to 656,013.60, 982,270.80 and 656,013.60 is: 982,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,013.60 : 982,270.80 = 656,013.60 : x
  2. Step 2: Convert to fraction form
    656,013.60/982,270.80 = 656,013.60/x
  3. Step 3: Cross multiply
    656,013.60x = 982,270.80 × 656,013.60
  4. Step 4: Simplify right side
    656,013.60x = 644,383,003,682.88
  5. Step 5: Solve for x
    x = 644,383,003,682.88/656,013.60
  6. Step 6: Final answer
    x = 982,270.80

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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.