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Finding the Fourth Proportional to 656,730.35, 985,196.89 and 277,652.32

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Solution

The fourth proportional to 656,730.35, 985,196.89 and 277,652.32 is: 416,521.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,730.35 : 985,196.89 = 277,652.32 : x
  2. Step 2: Convert to fraction form
    656,730.35/985,196.89 = 277,652.32/x
  3. Step 3: Cross multiply
    656,730.35x = 985,196.89 × 277,652.32
  4. Step 4: Simplify right side
    656,730.35x = 273,542,200,049.36
  5. Step 5: Solve for x
    x = 273,542,200,049.36/656,730.35
  6. Step 6: Final answer
    x = 416,521.33

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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.