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Finding the Fourth Proportional to 432,496.90, 648,743.82 and 116,953.78

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Solution

The fourth proportional to 432,496.90, 648,743.82 and 116,953.78 is: 175,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,496.90 : 648,743.82 = 116,953.78 : x
  2. Step 2: Convert to fraction form
    432,496.90/648,743.82 = 116,953.78/x
  3. Step 3: Cross multiply
    432,496.90x = 648,743.82 × 116,953.78
  4. Step 4: Simplify right side
    432,496.90x = 75,873,042,000.64
  5. Step 5: Solve for x
    x = 75,873,042,000.64/432,496.90
  6. Step 6: Final answer
    x = 175,430.26

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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.