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Finding the Fourth Proportional to 253,907.46, 349,593.17 and 193,283.82

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Solution

The fourth proportional to 253,907.46, 349,593.17 and 193,283.82 is: 266,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,907.46 : 349,593.17 = 193,283.82 : x
  2. Step 2: Convert to fraction form
    253,907.46/349,593.17 = 193,283.82/x
  3. Step 3: Cross multiply
    253,907.46x = 349,593.17 × 193,283.82
  4. Step 4: Simplify right side
    253,907.46x = 67,570,702,377.09
  5. Step 5: Solve for x
    x = 67,570,702,377.09/253,907.46
  6. Step 6: Final answer
    x = 266,123.34

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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.