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Finding the Fourth Proportional to 448,697.61, 673,050.60 and 133,154.55

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Solution

The fourth proportional to 448,697.61, 673,050.60 and 133,154.55 is: 199,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,697.61 : 673,050.60 = 133,154.55 : x
  2. Step 2: Convert to fraction form
    448,697.61/673,050.60 = 133,154.55/x
  3. Step 3: Cross multiply
    448,697.61x = 673,050.60 × 133,154.55
  4. Step 4: Simplify right side
    448,697.61x = 89,619,749,770.23
  5. Step 5: Solve for x
    x = 89,619,749,770.23/448,697.61
  6. Step 6: Final answer
    x = 199,733.07

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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.