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Finding the Fourth Proportional to 441,712.70, 661,256.85 and 441,712.70

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Solution

The fourth proportional to 441,712.70, 661,256.85 and 441,712.70 is: 661,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,712.70 : 661,256.85 = 441,712.70 : x
  2. Step 2: Convert to fraction form
    441,712.70/661,256.85 = 441,712.70/x
  3. Step 3: Cross multiply
    441,712.70x = 661,256.85 × 441,712.70
  4. Step 4: Simplify right side
    441,712.70x = 292,085,548,607.00
  5. Step 5: Solve for x
    x = 292,085,548,607.00/441,712.70
  6. Step 6: Final answer
    x = 661,256.85

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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.