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Finding the Fourth Proportional to 275,026.94, 379,530.36 and 152,518.62

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Solution

The fourth proportional to 275,026.94, 379,530.36 and 152,518.62 is: 210,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,026.94 : 379,530.36 = 152,518.62 : x
  2. Step 2: Convert to fraction form
    275,026.94/379,530.36 = 152,518.62/x
  3. Step 3: Cross multiply
    275,026.94x = 379,530.36 × 152,518.62
  4. Step 4: Simplify right side
    275,026.94x = 57,885,446,755.30
  5. Step 5: Solve for x
    x = 57,885,446,755.30/275,026.94
  6. Step 6: Final answer
    x = 210,471.92

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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.