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Finding the Fourth Proportional to 307,358.48, 461,052.12 and 149,398.64

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Solution

The fourth proportional to 307,358.48, 461,052.12 and 149,398.64 is: 224,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,358.48 : 461,052.12 = 149,398.64 : x
  2. Step 2: Convert to fraction form
    307,358.48/461,052.12 = 149,398.64/x
  3. Step 3: Cross multiply
    307,358.48x = 461,052.12 × 149,398.64
  4. Step 4: Simplify right side
    307,358.48x = 68,880,559,697.12
  5. Step 5: Solve for x
    x = 68,880,559,697.12/307,358.48
  6. Step 6: Final answer
    x = 224,104.96

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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.