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Finding the Fourth Proportional to 352,444.55, 486,373.96 and 191,299.63

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Solution

The fourth proportional to 352,444.55, 486,373.96 and 191,299.63 is: 263,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,444.55 : 486,373.96 = 191,299.63 : x
  2. Step 2: Convert to fraction form
    352,444.55/486,373.96 = 191,299.63/x
  3. Step 3: Cross multiply
    352,444.55x = 486,373.96 × 191,299.63
  4. Step 4: Simplify right side
    352,444.55x = 93,043,157,694.88
  5. Step 5: Solve for x
    x = 93,043,157,694.88/352,444.55
  6. Step 6: Final answer
    x = 263,993.75

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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.