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Finding the Fourth Proportional to 945,654.54, 1,416,652.91 and 792,027.64

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Solution

The fourth proportional to 945,654.54, 1,416,652.91 and 792,027.64 is: 1,186,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,654.54 : 1,416,652.91 = 792,027.64 : x
  2. Step 2: Convert to fraction form
    945,654.54/1,416,652.91 = 792,027.64/x
  3. Step 3: Cross multiply
    945,654.54x = 1,416,652.91 × 792,027.64
  4. Step 4: Simplify right side
    945,654.54x = 1,122,028,265,465.80
  5. Step 5: Solve for x
    x = 1,122,028,265,465.80/945,654.54
  6. Step 6: Final answer
    x = 1,186,509.68

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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.