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Finding the Fourth Proportional to 448,873.53, 673,420.05 and 149,353.35

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Solution

The fourth proportional to 448,873.53, 673,420.05 and 149,353.35 is: 224,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,873.53 : 673,420.05 = 149,353.35 : x
  2. Step 2: Convert to fraction form
    448,873.53/673,420.05 = 149,353.35/x
  3. Step 3: Cross multiply
    448,873.53x = 673,420.05 × 149,353.35
  4. Step 4: Simplify right side
    448,873.53x = 100,577,540,424.67
  5. Step 5: Solve for x
    x = 100,577,540,424.67/448,873.53
  6. Step 6: Final answer
    x = 224,066.54

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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.