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Finding the Fourth Proportional to 302,214.60, 453,321.90 and 124,662.60

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Solution

The fourth proportional to 302,214.60, 453,321.90 and 124,662.60 is: 186,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,214.60 : 453,321.90 = 124,662.60 : x
  2. Step 2: Convert to fraction form
    302,214.60/453,321.90 = 124,662.60/x
  3. Step 3: Cross multiply
    302,214.60x = 453,321.90 × 124,662.60
  4. Step 4: Simplify right side
    302,214.60x = 56,512,286,690.94
  5. Step 5: Solve for x
    x = 56,512,286,690.94/302,214.60
  6. Step 6: Final answer
    x = 186,993.90

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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.