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Finding the Fourth Proportional to 450,817.38, 676,421.46 and 248,165.91

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Solution

The fourth proportional to 450,817.38, 676,421.46 and 248,165.91 is: 372,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,817.38 : 676,421.46 = 248,165.91 : x
  2. Step 2: Convert to fraction form
    450,817.38/676,421.46 = 248,165.91/x
  3. Step 3: Cross multiply
    450,817.38x = 676,421.46 × 248,165.91
  4. Step 4: Simplify right side
    450,817.38x = 167,864,747,164.43
  5. Step 5: Solve for x
    x = 167,864,747,164.43/450,817.38
  6. Step 6: Final answer
    x = 372,356.42

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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.