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Finding the Fourth Proportional to 417,735.72, 626,627.94 and 118,191.24

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Solution

The fourth proportional to 417,735.72, 626,627.94 and 118,191.24 is: 177,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,735.72 : 626,627.94 = 118,191.24 : x
  2. Step 2: Convert to fraction form
    417,735.72/626,627.94 = 118,191.24/x
  3. Step 3: Cross multiply
    417,735.72x = 626,627.94 × 118,191.24
  4. Step 4: Simplify right side
    417,735.72x = 74,061,930,114.11
  5. Step 5: Solve for x
    x = 74,061,930,114.11/417,735.72
  6. Step 6: Final answer
    x = 177,293.75

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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.