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Finding the Fourth Proportional to 432,560.21, 648,690.03 and 240,727.37

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Solution

The fourth proportional to 432,560.21, 648,690.03 and 240,727.37 is: 361,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,560.21 : 648,690.03 = 240,727.37 : x
  2. Step 2: Convert to fraction form
    432,560.21/648,690.03 = 240,727.37/x
  3. Step 3: Cross multiply
    432,560.21x = 648,690.03 × 240,727.37
  4. Step 4: Simplify right side
    432,560.21x = 156,157,441,623.67
  5. Step 5: Solve for x
    x = 156,157,441,623.67/432,560.21
  6. Step 6: Final answer
    x = 361,007.42

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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.