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Finding the Fourth Proportional to 247,900.65, 341,986.21 and 179,768.17

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Solution

The fourth proportional to 247,900.65, 341,986.21 and 179,768.17 is: 247,995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,900.65 : 341,986.21 = 179,768.17 : x
  2. Step 2: Convert to fraction form
    247,900.65/341,986.21 = 179,768.17/x
  3. Step 3: Cross multiply
    247,900.65x = 341,986.21 × 179,768.17
  4. Step 4: Simplify right side
    247,900.65x = 61,478,235,136.94
  5. Step 5: Solve for x
    x = 61,478,235,136.94/247,900.65
  6. Step 6: Final answer
    x = 247,995.46

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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.