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Finding the Fourth Proportional to 324,993.84, 487,500.90 and 88,341.54

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Solution

The fourth proportional to 324,993.84, 487,500.90 and 88,341.54 is: 132,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,993.84 : 487,500.90 = 88,341.54 : x
  2. Step 2: Convert to fraction form
    324,993.84/487,500.90 = 88,341.54/x
  3. Step 3: Cross multiply
    324,993.84x = 487,500.90 × 88,341.54
  4. Step 4: Simplify right side
    324,993.84x = 43,066,580,257.39
  5. Step 5: Solve for x
    x = 43,066,580,257.39/324,993.84
  6. Step 6: Final answer
    x = 132,515.07

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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.