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Finding the Fourth Proportional to 275,493.10, 380,167.68 and 152,993.26

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Solution

The fourth proportional to 275,493.10, 380,167.68 and 152,993.26 is: 211,123.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,493.10 : 380,167.68 = 152,993.26 : x
  2. Step 2: Convert to fraction form
    275,493.10/380,167.68 = 152,993.26/x
  3. Step 3: Cross multiply
    275,493.10x = 380,167.68 × 152,993.26
  4. Step 4: Simplify right side
    275,493.10x = 58,163,091,808.68
  5. Step 5: Solve for x
    x = 58,163,091,808.68/275,493.10
  6. Step 6: Final answer
    x = 211,123.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.