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Finding the Fourth Proportional to 448,580.80, 673,000.80 and 133,045.30

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Solution

The fourth proportional to 448,580.80, 673,000.80 and 133,045.30 is: 199,606.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,580.80 : 673,000.80 = 133,045.30 : x
  2. Step 2: Convert to fraction form
    448,580.80/673,000.80 = 133,045.30/x
  3. Step 3: Cross multiply
    448,580.80x = 673,000.80 × 133,045.30
  4. Step 4: Simplify right side
    448,580.80x = 89,539,593,336.24
  5. Step 5: Solve for x
    x = 89,539,593,336.24/448,580.80
  6. Step 6: Final answer
    x = 199,606.39

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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.