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Finding the Fourth Proportional to 302,486.10, 453,729.15 and 231,627.30

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Solution

The fourth proportional to 302,486.10, 453,729.15 and 231,627.30 is: 347,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,486.10 : 453,729.15 = 231,627.30 : x
  2. Step 2: Convert to fraction form
    302,486.10/453,729.15 = 231,627.30/x
  3. Step 3: Cross multiply
    302,486.10x = 453,729.15 × 231,627.30
  4. Step 4: Simplify right side
    302,486.10x = 105,096,057,945.80
  5. Step 5: Solve for x
    x = 105,096,057,945.80/302,486.10
  6. Step 6: Final answer
    x = 347,440.95

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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.