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Finding the Fourth Proportional to 447,584.22, 671,383.29 and 249,165.76

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Solution

The fourth proportional to 447,584.22, 671,383.29 and 249,165.76 is: 373,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,584.22 : 671,383.29 = 249,165.76 : x
  2. Step 2: Convert to fraction form
    447,584.22/671,383.29 = 249,165.76/x
  3. Step 3: Cross multiply
    447,584.22x = 671,383.29 × 249,165.76
  4. Step 4: Simplify right side
    447,584.22x = 167,285,727,704.15
  5. Step 5: Solve for x
    x = 167,285,727,704.15/447,584.22
  6. Step 6: Final answer
    x = 373,752.51

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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.