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Finding the Fourth Proportional to 433,910.34, 650,846.48 and 118,366.20

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Solution

The fourth proportional to 433,910.34, 650,846.48 and 118,366.20 is: 177,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,910.34 : 650,846.48 = 118,366.20 : x
  2. Step 2: Convert to fraction form
    433,910.34/650,846.48 = 118,366.20/x
  3. Step 3: Cross multiply
    433,910.34x = 650,846.48 × 118,366.20
  4. Step 4: Simplify right side
    433,910.34x = 77,038,224,029.15
  5. Step 5: Solve for x
    x = 77,038,224,029.15/433,910.34
  6. Step 6: Final answer
    x = 177,544.11

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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.