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Finding the Fourth Proportional to 394,775.79, 592,104.28 and 110,429.48

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Solution

The fourth proportional to 394,775.79, 592,104.28 and 110,429.48 is: 165,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,775.79 : 592,104.28 = 110,429.48 : x
  2. Step 2: Convert to fraction form
    394,775.79/592,104.28 = 110,429.48/x
  3. Step 3: Cross multiply
    394,775.79x = 592,104.28 × 110,429.48
  4. Step 4: Simplify right side
    394,775.79x = 65,385,767,420.15
  5. Step 5: Solve for x
    x = 65,385,767,420.15/394,775.79
  6. Step 6: Final answer
    x = 165,627.60

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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.