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Finding the Fourth Proportional to 302,214.40, 453,321.60 and 181,945.60

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Solution

The fourth proportional to 302,214.40, 453,321.60 and 181,945.60 is: 272,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,214.40 : 453,321.60 = 181,945.60 : x
  2. Step 2: Convert to fraction form
    302,214.40/453,321.60 = 181,945.60/x
  3. Step 3: Cross multiply
    302,214.40x = 453,321.60 × 181,945.60
  4. Step 4: Simplify right side
    302,214.40x = 82,479,870,504.96
  5. Step 5: Solve for x
    x = 82,479,870,504.96/302,214.40
  6. Step 6: Final answer
    x = 272,918.40

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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.