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Finding the Fourth Proportional to 349,548.78, 482,372.70 and 196,586.94

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Solution

The fourth proportional to 349,548.78, 482,372.70 and 196,586.94 is: 271,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,548.78 : 482,372.70 = 196,586.94 : x
  2. Step 2: Convert to fraction form
    349,548.78/482,372.70 = 196,586.94/x
  3. Step 3: Cross multiply
    349,548.78x = 482,372.70 × 196,586.94
  4. Step 4: Simplify right side
    349,548.78x = 94,828,173,032.54
  5. Step 5: Solve for x
    x = 94,828,173,032.54/349,548.78
  6. Step 6: Final answer
    x = 271,287.38

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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.