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Finding the Fourth Proportional to 353,144.40, 529,716.60 and 336,814.80

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Solution

The fourth proportional to 353,144.40, 529,716.60 and 336,814.80 is: 505,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,144.40 : 529,716.60 = 336,814.80 : x
  2. Step 2: Convert to fraction form
    353,144.40/529,716.60 = 336,814.80/x
  3. Step 3: Cross multiply
    353,144.40x = 529,716.60 × 336,814.80
  4. Step 4: Simplify right side
    353,144.40x = 178,416,390,685.68
  5. Step 5: Solve for x
    x = 178,416,390,685.68/353,144.40
  6. Step 6: Final answer
    x = 505,222.20

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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.