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Finding the Fourth Proportional to 432,688.88, 649,094.84 and 133,194.44

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Solution

The fourth proportional to 432,688.88, 649,094.84 and 133,194.44 is: 199,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,688.88 : 649,094.84 = 133,194.44 : x
  2. Step 2: Convert to fraction form
    432,688.88/649,094.84 = 133,194.44/x
  3. Step 3: Cross multiply
    432,688.88x = 649,094.84 × 133,194.44
  4. Step 4: Simplify right side
    432,688.88x = 86,455,823,720.69
  5. Step 5: Solve for x
    x = 86,455,823,720.69/432,688.88
  6. Step 6: Final answer
    x = 199,810.60

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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.