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Finding the Fourth Proportional to 349,283.60, 482,193 and 271,586.96

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Solution

The fourth proportional to 349,283.60, 482,193 and 271,586.96 is: 374,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,283.60 : 482,193 = 271,586.96 : x
  2. Step 2: Convert to fraction form
    349,283.60/482,193 = 271,586.96/x
  3. Step 3: Cross multiply
    349,283.60x = 482,193 × 271,586.96
  4. Step 4: Simplify right side
    349,283.60x = 130,957,331,003.28
  5. Step 5: Solve for x
    x = 130,957,331,003.28/349,283.60
  6. Step 6: Final answer
    x = 374,931.23

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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.