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Finding the Fourth Proportional to 336,079.20, 504,118.80 and 149,109.60

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Solution

The fourth proportional to 336,079.20, 504,118.80 and 149,109.60 is: 223,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,079.20 : 504,118.80 = 149,109.60 : x
  2. Step 2: Convert to fraction form
    336,079.20/504,118.80 = 149,109.60/x
  3. Step 3: Cross multiply
    336,079.20x = 504,118.80 × 149,109.60
  4. Step 4: Simplify right side
    336,079.20x = 75,168,952,620.48
  5. Step 5: Solve for x
    x = 75,168,952,620.48/336,079.20
  6. Step 6: Final answer
    x = 223,664.40

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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.