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Finding the Fourth Proportional to 324,114.90, 485,552.70 and 174,305.40

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Solution

The fourth proportional to 324,114.90, 485,552.70 and 174,305.40 is: 261,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,114.90 : 485,552.70 = 174,305.40 : x
  2. Step 2: Convert to fraction form
    324,114.90/485,552.70 = 174,305.40/x
  3. Step 3: Cross multiply
    324,114.90x = 485,552.70 × 174,305.40
  4. Step 4: Simplify right side
    324,114.90x = 84,634,457,594.58
  5. Step 5: Solve for x
    x = 84,634,457,594.58/324,114.90
  6. Step 6: Final answer
    x = 261,124.86

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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.