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Finding the Fourth Proportional to 291,168.88, 436,753.35 and 133,397.35

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Solution

The fourth proportional to 291,168.88, 436,753.35 and 133,397.35 is: 200,096.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,168.88 : 436,753.35 = 133,397.35 : x
  2. Step 2: Convert to fraction form
    291,168.88/436,753.35 = 133,397.35/x
  3. Step 3: Cross multiply
    291,168.88x = 436,753.35 × 133,397.35
  4. Step 4: Simplify right side
    291,168.88x = 58,261,738,401.74
  5. Step 5: Solve for x
    x = 58,261,738,401.74/291,168.88
  6. Step 6: Final answer
    x = 200,096.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.