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Finding the Fourth Proportional to 253,538.46, 379,747.08 and 173,386.48

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Solution

The fourth proportional to 253,538.46, 379,747.08 and 173,386.48 is: 259,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,538.46 : 379,747.08 = 173,386.48 : x
  2. Step 2: Convert to fraction form
    253,538.46/379,747.08 = 173,386.48/x
  3. Step 3: Cross multiply
    253,538.46x = 379,747.08 × 173,386.48
  4. Step 4: Simplify right side
    253,538.46x = 65,843,009,491.48
  5. Step 5: Solve for x
    x = 65,843,009,491.48/253,538.46
  6. Step 6: Final answer
    x = 259,696.34

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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.