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Finding the Fourth Proportional to 295,118.60, 442,908.30 and 137,366.60

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Solution

The fourth proportional to 295,118.60, 442,908.30 and 137,366.60 is: 206,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,118.60 : 442,908.30 = 137,366.60 : x
  2. Step 2: Convert to fraction form
    295,118.60/442,908.30 = 137,366.60/x
  3. Step 3: Cross multiply
    295,118.60x = 442,908.30 × 137,366.60
  4. Step 4: Simplify right side
    295,118.60x = 60,840,807,282.78
  5. Step 5: Solve for x
    x = 60,840,807,282.78/295,118.60
  6. Step 6: Final answer
    x = 206,157.14

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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.