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Finding the Fourth Proportional to 264,321.89, 364,754.46 and 143,460.59

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Solution

The fourth proportional to 264,321.89, 364,754.46 and 143,460.59 is: 197,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,321.89 : 364,754.46 = 143,460.59 : x
  2. Step 2: Convert to fraction form
    264,321.89/364,754.46 = 143,460.59/x
  3. Step 3: Cross multiply
    264,321.89x = 364,754.46 × 143,460.59
  4. Step 4: Simplify right side
    264,321.89x = 52,327,888,212.96
  5. Step 5: Solve for x
    x = 52,327,888,212.96/264,321.89
  6. Step 6: Final answer
    x = 197,970.32

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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.