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Finding the Fourth Proportional to 295,079.60, 442,619.40 and 200,601.20

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Solution

The fourth proportional to 295,079.60, 442,619.40 and 200,601.20 is: 300,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,079.60 : 442,619.40 = 200,601.20 : x
  2. Step 2: Convert to fraction form
    295,079.60/442,619.40 = 200,601.20/x
  3. Step 3: Cross multiply
    295,079.60x = 442,619.40 × 200,601.20
  4. Step 4: Simplify right side
    295,079.60x = 88,789,982,783.28
  5. Step 5: Solve for x
    x = 88,789,982,783.28/295,079.60
  6. Step 6: Final answer
    x = 300,901.80

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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.