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Finding the Fourth Proportional to 275,136.52, 379,527.52 and 173,000.28

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Solution

The fourth proportional to 275,136.52, 379,527.52 and 173,000.28 is: 238,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,136.52 : 379,527.52 = 173,000.28 : x
  2. Step 2: Convert to fraction form
    275,136.52/379,527.52 = 173,000.28/x
  3. Step 3: Cross multiply
    275,136.52x = 379,527.52 × 173,000.28
  4. Step 4: Simplify right side
    275,136.52x = 65,658,367,227.71
  5. Step 5: Solve for x
    x = 65,658,367,227.71/275,136.52
  6. Step 6: Final answer
    x = 238,639.23

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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.