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Finding the Fourth Proportional to 448,641.60, 673,221.60 and 168,187.20

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Solution

The fourth proportional to 448,641.60, 673,221.60 and 168,187.20 is: 252,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,641.60 : 673,221.60 = 168,187.20 : x
  2. Step 2: Convert to fraction form
    448,641.60/673,221.60 = 168,187.20/x
  3. Step 3: Cross multiply
    448,641.60x = 673,221.60 × 168,187.20
  4. Step 4: Simplify right side
    448,641.60x = 113,227,255,883.52
  5. Step 5: Solve for x
    x = 113,227,255,883.52/448,641.60
  6. Step 6: Final answer
    x = 252,377.97

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1.5x scale

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.