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Finding the Fourth Proportional to 307,602.89, 461,609.34 and 118,219.62

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Solution

The fourth proportional to 307,602.89, 461,609.34 and 118,219.62 is: 177,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,602.89 : 461,609.34 = 118,219.62 : x
  2. Step 2: Convert to fraction form
    307,602.89/461,609.34 = 118,219.62/x
  3. Step 3: Cross multiply
    307,602.89x = 461,609.34 × 118,219.62
  4. Step 4: Simplify right side
    307,602.89x = 54,571,280,763.25
  5. Step 5: Solve for x
    x = 54,571,280,763.25/307,602.89
  6. Step 6: Final answer
    x = 177,408.22

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1.5x scale

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.