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Finding the Fourth Proportional to 353,652.48, 488,040.12 and 192,507.30

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Solution

The fourth proportional to 353,652.48, 488,040.12 and 192,507.30 is: 265,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,652.48 : 488,040.12 = 192,507.30 : x
  2. Step 2: Convert to fraction form
    353,652.48/488,040.12 = 192,507.30/x
  3. Step 3: Cross multiply
    353,652.48x = 488,040.12 × 192,507.30
  4. Step 4: Simplify right side
    353,652.48x = 93,951,285,792.88
  5. Step 5: Solve for x
    x = 93,951,285,792.88/353,652.48
  6. Step 6: Final answer
    x = 265,659.91

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1.5x scale

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.