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Finding the Fourth Proportional to 547,073.84, 755,361.86 and 353,596.04

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Solution

The fourth proportional to 547,073.84, 755,361.86 and 353,596.04 is: 488,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,073.84 : 755,361.86 = 353,596.04 : x
  2. Step 2: Convert to fraction form
    547,073.84/755,361.86 = 353,596.04/x
  3. Step 3: Cross multiply
    547,073.84x = 755,361.86 × 353,596.04
  4. Step 4: Simplify right side
    547,073.84x = 267,092,962,463.03
  5. Step 5: Solve for x
    x = 267,092,962,463.03/547,073.84
  6. Step 6: Final answer
    x = 488,221.05

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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.