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Finding the Fourth Proportional to 295,092.10, 442,419.45 and 126,474.40

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Solution

The fourth proportional to 295,092.10, 442,419.45 and 126,474.40 is: 189,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,092.10 : 442,419.45 = 126,474.40 : x
  2. Step 2: Convert to fraction form
    295,092.10/442,419.45 = 126,474.40/x
  3. Step 3: Cross multiply
    295,092.10x = 442,419.45 × 126,474.40
  4. Step 4: Simplify right side
    295,092.10x = 55,954,734,487.08
  5. Step 5: Solve for x
    x = 55,954,734,487.08/295,092.10
  6. Step 6: Final answer
    x = 189,617.87

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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.