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Finding the Fourth Proportional to 207,269.57, 310,903.20 and 179,103.98

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Solution

The fourth proportional to 207,269.57, 310,903.20 and 179,103.98 is: 268,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,269.57 : 310,903.20 = 179,103.98 : x
  2. Step 2: Convert to fraction form
    207,269.57/310,903.20 = 179,103.98/x
  3. Step 3: Cross multiply
    207,269.57x = 310,903.20 × 179,103.98
  4. Step 4: Simplify right side
    207,269.57x = 55,683,998,960.22
  5. Step 5: Solve for x
    x = 55,683,998,960.22/207,269.57
  6. Step 6: Final answer
    x = 268,654.97

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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.