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Finding the Fourth Proportional to 451,024.80, 676,537.20 and 151,405.80

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Solution

The fourth proportional to 451,024.80, 676,537.20 and 151,405.80 is: 227,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,024.80 : 676,537.20 = 151,405.80 : x
  2. Step 2: Convert to fraction form
    451,024.80/676,537.20 = 151,405.80/x
  3. Step 3: Cross multiply
    451,024.80x = 676,537.20 × 151,405.80
  4. Step 4: Simplify right side
    451,024.80x = 102,431,655,995.76
  5. Step 5: Solve for x
    x = 102,431,655,995.76/451,024.80
  6. Step 6: Final answer
    x = 227,108.70

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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.