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Finding the Fourth Proportional to 448,580.30, 673,000.05 and 133,044.80

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Solution

The fourth proportional to 448,580.30, 673,000.05 and 133,044.80 is: 199,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,580.30 : 673,000.05 = 133,044.80 : x
  2. Step 2: Convert to fraction form
    448,580.30/673,000.05 = 133,044.80/x
  3. Step 3: Cross multiply
    448,580.30x = 673,000.05 × 133,044.80
  4. Step 4: Simplify right side
    448,580.30x = 89,539,157,052.24
  5. Step 5: Solve for x
    x = 89,539,157,052.24/448,580.30
  6. Step 6: Final answer
    x = 199,605.64

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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.