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Finding the Fourth Proportional to 279,697.41, 386,010.27 and 170,795.73

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Solution

The fourth proportional to 279,697.41, 386,010.27 and 170,795.73 is: 235,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,697.41 : 386,010.27 = 170,795.73 : x
  2. Step 2: Convert to fraction form
    279,697.41/386,010.27 = 170,795.73/x
  3. Step 3: Cross multiply
    279,697.41x = 386,010.27 × 170,795.73
  4. Step 4: Simplify right side
    279,697.41x = 65,928,905,852.15
  5. Step 5: Solve for x
    x = 65,928,905,852.15/279,697.41
  6. Step 6: Final answer
    x = 235,715.11

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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.