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Finding the Fourth Proportional to 451,205.80, 676,808.70 and 151,586.80

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Solution

The fourth proportional to 451,205.80, 676,808.70 and 151,586.80 is: 227,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,205.80 : 676,808.70 = 151,586.80 : x
  2. Step 2: Convert to fraction form
    451,205.80/676,808.70 = 151,586.80/x
  3. Step 3: Cross multiply
    451,205.80x = 676,808.70 × 151,586.80
  4. Step 4: Simplify right side
    451,205.80x = 102,595,265,045.16
  5. Step 5: Solve for x
    x = 102,595,265,045.16/451,205.80
  6. Step 6: Final answer
    x = 227,380.20

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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.