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Finding the Fourth Proportional to 447,656.40, 671,254.20 and 167,029.20

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Solution

The fourth proportional to 447,656.40, 671,254.20 and 167,029.20 is: 250,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,656.40 : 671,254.20 = 167,029.20 : x
  2. Step 2: Convert to fraction form
    447,656.40/671,254.20 = 167,029.20/x
  3. Step 3: Cross multiply
    447,656.40x = 671,254.20 × 167,029.20
  4. Step 4: Simplify right side
    447,656.40x = 112,119,052,022.64
  5. Step 5: Solve for x
    x = 112,119,052,022.64/447,656.40
  6. Step 6: Final answer
    x = 250,457.83

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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.