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Finding the Fourth Proportional to 349,281.60, 482,190.24 and 271,584.96

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Solution

The fourth proportional to 349,281.60, 482,190.24 and 271,584.96 is: 374,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,281.60 : 482,190.24 = 271,584.96 : x
  2. Step 2: Convert to fraction form
    349,281.60/482,190.24 = 271,584.96/x
  3. Step 3: Cross multiply
    349,281.60x = 482,190.24 × 271,584.96
  4. Step 4: Simplify right side
    349,281.60x = 130,955,617,042.79
  5. Step 5: Solve for x
    x = 130,955,617,042.79/349,281.60
  6. Step 6: Final answer
    x = 374,928.47

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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.