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Finding the Fourth Proportional to 448,792.40, 673,328.28 and 133,250.96

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Solution

The fourth proportional to 448,792.40, 673,328.28 and 133,250.96 is: 199,917.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,792.40 : 673,328.28 = 133,250.96 : x
  2. Step 2: Convert to fraction form
    448,792.40/673,328.28 = 133,250.96/x
  3. Step 3: Cross multiply
    448,792.40x = 673,328.28 × 133,250.96
  4. Step 4: Simplify right side
    448,792.40x = 89,721,639,705.15
  5. Step 5: Solve for x
    x = 89,721,639,705.15/448,792.40
  6. Step 6: Final answer
    x = 199,917.91

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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.