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Finding the Fourth Proportional to 275,187.47, 379,597.46 and 173,050.92

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Solution

The fourth proportional to 275,187.47, 379,597.46 and 173,050.92 is: 238,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,187.47 : 379,597.46 = 173,050.92 : x
  2. Step 2: Convert to fraction form
    275,187.47/379,597.46 = 173,050.92/x
  3. Step 3: Cross multiply
    275,187.47x = 379,597.46 × 173,050.92
  4. Step 4: Simplify right side
    275,187.47x = 65,689,688,817.41
  5. Step 5: Solve for x
    x = 65,689,688,817.41/275,187.47
  6. Step 6: Final answer
    x = 238,708.87

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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.