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Finding the Fourth Proportional to 447,664.62, 671,475.06 and 167,160

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Solution

The fourth proportional to 447,664.62, 671,475.06 and 167,160 is: 250,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,664.62 : 671,475.06 = 167,160 : x
  2. Step 2: Convert to fraction form
    447,664.62/671,475.06 = 167,160/x
  3. Step 3: Cross multiply
    447,664.62x = 671,475.06 × 167,160
  4. Step 4: Simplify right side
    447,664.62x = 112,243,771,029.60
  5. Step 5: Solve for x
    x = 112,243,771,029.60/447,664.62
  6. Step 6: Final answer
    x = 250,731.83

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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.