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Finding the Fourth Proportional to 654,512.92, 903,209.88 and 368,025.64

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Solution

The fourth proportional to 654,512.92, 903,209.88 and 368,025.64 is: 507,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,512.92 : 903,209.88 = 368,025.64 : x
  2. Step 2: Convert to fraction form
    654,512.92/903,209.88 = 368,025.64/x
  3. Step 3: Cross multiply
    654,512.92x = 903,209.88 × 368,025.64
  4. Step 4: Simplify right side
    654,512.92x = 332,404,394,141.32
  5. Step 5: Solve for x
    x = 332,404,394,141.32/654,512.92
  6. Step 6: Final answer
    x = 507,865.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.