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Finding the Fourth Proportional to 302,486.60, 453,729.90 and 231,627.80

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Solution

The fourth proportional to 302,486.60, 453,729.90 and 231,627.80 is: 347,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,486.60 : 453,729.90 = 231,627.80 : x
  2. Step 2: Convert to fraction form
    302,486.60/453,729.90 = 231,627.80/x
  3. Step 3: Cross multiply
    302,486.60x = 453,729.90 × 231,627.80
  4. Step 4: Simplify right side
    302,486.60x = 105,096,458,531.22
  5. Step 5: Solve for x
    x = 105,096,458,531.22/302,486.60
  6. Step 6: Final answer
    x = 347,441.70

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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.