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Finding the Fourth Proportional to 452,097.00, 678,031.28 and 167,631.21

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Solution

The fourth proportional to 452,097.00, 678,031.28 and 167,631.21 is: 251,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,097.00 : 678,031.28 = 167,631.21 : x
  2. Step 2: Convert to fraction form
    452,097.00/678,031.28 = 167,631.21/x
  3. Step 3: Cross multiply
    452,097.00x = 678,031.28 × 167,631.21
  4. Step 4: Simplify right side
    452,097.00x = 113,659,200,913.17
  5. Step 5: Solve for x
    x = 113,659,200,913.17/452,097.00
  6. Step 6: Final answer
    x = 251,404.46

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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.