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Finding the Fourth Proportional to 320,848.44, 481,745.72 and 178,970.88

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Solution

The fourth proportional to 320,848.44, 481,745.72 and 178,970.88 is: 268,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,848.44 : 481,745.72 = 178,970.88 : x
  2. Step 2: Convert to fraction form
    320,848.44/481,745.72 = 178,970.88/x
  3. Step 3: Cross multiply
    320,848.44x = 481,745.72 × 178,970.88
  4. Step 4: Simplify right side
    320,848.44x = 86,218,455,444.63
  5. Step 5: Solve for x
    x = 86,218,455,444.63/320,848.44
  6. Step 6: Final answer
    x = 268,720.20

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1.5x scale

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.