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Finding the Fourth Proportional to 656,168.54, 984,358.82 and 277,146.25

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Solution

The fourth proportional to 656,168.54, 984,358.82 and 277,146.25 is: 415,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,168.54 : 984,358.82 = 277,146.25 : x
  2. Step 2: Convert to fraction form
    656,168.54/984,358.82 = 277,146.25/x
  3. Step 3: Cross multiply
    656,168.54x = 984,358.82 × 277,146.25
  4. Step 4: Simplify right side
    656,168.54x = 272,811,355,617.43
  5. Step 5: Solve for x
    x = 272,811,355,617.43/656,168.54
  6. Step 6: Final answer
    x = 415,764.15

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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.